8+ Best Professional Nail Dryer Machines for Salons 2024


8+ Best Professional Nail Dryer Machines for Salons 2024

Excessive-quality drying tools designed particularly for nail remedies makes use of numerous applied sciences, corresponding to UV or LED gentle, to remedy and harden gel polishes and acrylics effectively. These gadgets are usually present in salons and spas, providing options like adjustable timers and ranging energy settings to cater to completely different product necessities and guarantee optimum outcomes. As an example, a salon would possibly make use of a tool with a number of timer settings and a spacious inside to accommodate numerous hand and foot sizes.

Environment friendly and efficient curing performs an important position within the nail trade, contributing to the longevity, sturdiness, and general aesthetic of manicures and pedicures. Quicker drying instances enhance consumer turnaround and satisfaction, whereas precision settings reduce the danger of smudging or uneven curing. The evolution from fundamental air dryers to stylish light-based programs has considerably elevated the standard and velocity of nail providers. This development allows nail technicians to supply a wider vary of providers and ship professional-grade outcomes persistently.

Additional exploration of this tools can delve into particular varieties, technological developments, security issues, and the affect on each salon operations and consumer expertise. A deeper understanding of those features offers beneficial insights for each professionals and customers.

1. UV/LED Expertise

UV (ultraviolet) and LED (light-emitting diode) applied sciences type the core of recent skilled nail drying tools. These applied sciences emit particular wavelengths of sunshine that provoke a photochemical response, curing and hardening specialised gel polishes and acrylics. UV lamps, historically employed, make the most of a broader spectrum of ultraviolet gentle. LED lamps emit a narrower vary of wavelengths focused particularly for photo-initiators in gel formulation. This focused strategy usually leads to sooner curing instances and lowered vitality consumption in comparison with conventional UV lamps. As an example, a gel polish requiring a two-minute remedy below a UV lamp would possibly remedy in as little as 30 seconds below an LED lamp. This distinction considerably impacts salon effectivity and consumer expertise.

The selection between UV and LED expertise influences a number of elements in skilled nail providers. LED lamps provide benefits when it comes to velocity and vitality effectivity, however compatibility with all gel formulations requires cautious consideration. Some gel polishes are particularly formulated for LED curing and should not remedy correctly below UV gentle, and vice-versa. Moreover, the lifespan of LED bulbs typically surpasses that of UV bulbs, lowering substitute frequency and related prices. Nonetheless, the preliminary funding in LED tools could be increased. Understanding these nuances is important for choosing acceptable tools and attaining optimum curing outcomes. An knowledgeable selection contributes to consumer satisfaction by way of sooner service and sturdy, long-lasting manicures.

Efficient curing is essential for attaining a professional-looking and long-lasting end. Insufficient curing can result in points corresponding to tackiness, chipping, and untimely lifting. Choosing the proper lamp sort and understanding its capabilities ensures correct polymerization of the gel or acrylic, contributing considerably to the general high quality and sturdiness of the nail enhancement. The continued evolution of UV/LED expertise guarantees additional developments in curing effectivity, providing the potential for even sooner curing instances and improved product compatibility. This ongoing improvement underscores the significance of staying knowledgeable concerning the newest applied sciences and their affect on skilled nail providers.

2. Wattage and Energy

Wattage immediately influences the facility output of an expert nail dryer machine, impacting each curing velocity and effectiveness. Greater wattage usually interprets to sooner curing instances, enabling faster service supply and elevated consumer throughput in salon settings. For instance, a 48-watt lamp will typically remedy gels sooner than a 24-watt lamp, all different elements being equal. Nonetheless, increased wattage additionally means elevated vitality consumption. Balancing energy and vitality effectivity is a key consideration when deciding on a machine. The precise wattage necessities additionally rely upon the kinds of gel polishes or acrylics used; some merchandise require increased wattage for optimum curing.

The connection between wattage and curing time has sensible implications for salon operations and consumer satisfaction. Quicker curing instances contribute to elevated effectivity, permitting technicians to serve extra shoppers in a given timeframe. This effectivity interprets to increased potential income and improved consumer expertise. Nonetheless, merely choosing the best wattage is just not at all times the most effective strategy. Overexposure to high-intensity UV or LED gentle can doubtlessly result in pores and skin or eye irritation. Moreover, some gel formulations aren’t designed for fast curing below excessive wattage and should exhibit adversarial results like shrinkage or discoloration. Choosing a machine with adjustable wattage settings offers flexibility and management, permitting technicians to tailor the curing course of to completely different product necessities and consumer sensitivities.

Cautious consideration of wattage and energy is important for maximizing the advantages of an expert nail dryer machine whereas minimizing potential dangers. Understanding the interaction between wattage, curing time, and product compatibility ensures optimum outcomes and consumer security. Investing in a machine with acceptable wattage and adjustable energy settings is an important step in offering high-quality nail providers and sustaining a productive salon setting. This understanding additionally empowers technicians to coach shoppers on the method and deal with any considerations relating to UV/LED publicity.

3. Timer Settings

Exact timer settings are integral to the efficient operation {of professional} nail dryer machines. These settings management the period of publicity to UV or LED gentle, making certain correct curing of gel polishes and acrylics whereas minimizing the danger of overexposure. Correct timing is essential for attaining optimum product efficiency and stopping points like under-curing, which may result in tackiness or untimely lifting, or over-curing, which may trigger brittleness and discoloration. Understanding the varied timer choices and their acceptable software is prime to skilled nail providers.

  • Preset Timer Choices

    {Many professional} nail dryer machines provide preset timer choices, usually starting from 30 seconds to a number of minutes. These presets present handy and standardized curing instances for generally used gel polishes and acrylics. For instance, a base coat would possibly require a 30-second remedy, whereas a shade coat would possibly want 60 seconds. These preset choices streamline the curing course of, making certain consistency and effectivity in salon workflows.

  • Customized Timer Settings

    The flexibility to customise timer settings affords higher management over the curing course of, accommodating particular product necessities or particular person consumer wants. Some gels or acrylics could require longer or shorter curing instances than customary presets. Customized timers enable technicians to fine-tune the curing period, optimizing outcomes for a wider vary of merchandise and addressing variations in nail thickness or software approach.

  • Incremental Timer Changes

    Machines with incremental timer changes present exact management over curing time, permitting for minute changes in brief intervals, usually in increments of 5 or 10 seconds. This characteristic is especially helpful for working with specialised merchandise or addressing distinctive curing necessities. High-quality-grained management over timing minimizes the danger of overexposure and ensures optimum curing for even essentially the most demanding functions.

  • Sensor Activation

    Some skilled nail dryer machines incorporate sensor activation, routinely beginning the timer when arms or toes are positioned contained in the machine and stopping when they’re eliminated. This characteristic enhances comfort and effectivity, eliminating the necessity for handbook timer operation. Sensor activation additionally contributes to constant curing instances and helps forestall unintended overexposure resulting from forgotten timers.

The range and precision of timer settings obtainable on skilled nail dryer machines play a vital position in attaining constant, high-quality outcomes. From preset choices for standardized curing to customizable settings for specialised functions, timer performance contributes considerably to the general effectiveness and effectivity {of professional} nail providers. Correct utilization of those options ensures optimum product efficiency, consumer security, and a streamlined workflow within the salon setting. Understanding the nuances of timer settings empowers nail technicians to ship distinctive outcomes and preserve an expert edge.

4. Dimension and Portability

The scale and portability of an expert nail dryer machine considerably affect its practicality and suitability for numerous skilled settings. Issues vary from salon measurement and consumer quantity to cellular providers and at-home use. Balancing performance with house constraints and the necessity for maneuverability is important for optimizing workflow and consumer expertise. Understanding the interaction between these elements informs buying choices and ensures the chosen tools aligns with particular skilled wants.

  • Machine Footprint

    The bodily dimensions of the machine dictate the required workspace and its general affect on salon format. Bigger, extra highly effective machines usually provide higher capability and sooner curing instances however demand extra counter house. Compact designs maximize house utilization, particularly in smaller salons or for cellular technicians. Cautious consideration of the machine’s footprint ensures environment friendly workspace group and cozy consumer expertise. For instance, a cumbersome machine would possibly hinder entry to different important instruments, whereas a compact mannequin permits for a extra streamlined workflow.

  • Weight and Mobility

    The burden of the machine influences its portability, a essential issue for cellular nail technicians or professionals providing at-home providers. Light-weight, simply transportable fashions enable for handy journey between consumer places. Heavier machines, whereas doubtlessly extra strong and feature-rich, pose logistical challenges for cellular operations. Evaluating weight alongside performance is essential for professionals requiring portability. A light-weight, foldable design, for instance, facilitates straightforward transport and setup in numerous environments.

  • Shopper Consolation and Ergonomics

    The scale and design of the machine’s inside immediately affect consumer consolation. Ample house accommodates numerous hand and foot sizes, making certain a relaxed and cozy expertise. Ergonomic design options, corresponding to curved hand rests or adjustable foot platforms, additional improve consumer consolation and reduce pressure throughout prolonged curing periods. Prioritizing consumer consolation contributes to optimistic experiences and encourages repeat enterprise. A spacious inside, for example, eliminates the necessity for shoppers to contort their arms or toes, selling leisure and a optimistic impression.

  • Storage and Cable Administration

    Sensible issues prolong past the machine’s bodily dimensions to incorporate storage and cable administration. Compact designs simplify storage when not in use, whereas built-in cable administration programs forestall muddle and preserve a tidy workspace. These seemingly minor particulars contribute to general salon group and professionalism. A machine with a retractable wire, for instance, simplifies storage and reduces tripping hazards.

The scale and portability of an expert nail dryer machine are integral issues that considerably affect each performance and consumer expertise. Evaluating these elements in relation to particular skilled wants ensures optimum efficiency, environment friendly workflow, and consumer satisfaction. A balanced strategy that considers measurement, weight, consumer consolation, and sensible features like storage contributes to a well-equipped and arranged workspace, enhancing the general high quality and professionalism of nail providers.

5. Sturdiness and Construct

The sturdiness and construct high quality of an expert nail dryer machine are essential elements influencing its lifespan, efficiency, and general worth. A robustly constructed machine withstands the trials of each day salon use, making certain constant efficiency and minimizing downtime resulting from malfunctions. Investing in a sturdy machine interprets to long-term price financial savings and contributes to an expert and dependable service setting. Analyzing particular features of building offers insights into the elements contributing to a machine’s general robustness and longevity.

  • Materials Choice

    The supplies used within the machine’s building immediately affect its sturdiness. Excessive-quality, impact-resistant plastics for the housing and strong steel parts for inner mechanisms contribute to a machine’s capability to resist unintended drops, spills, and normal put on and tear. For instance, a machine with a steel housing is extra more likely to survive a drop than one manufactured from brittle plastic. Sturdy supplies make sure the machine maintains its structural integrity and performance over prolonged durations, minimizing the necessity for repairs or replacements.

  • Part High quality

    Inner parts, corresponding to followers, circuit boards, and UV/LED bulbs, play a vital position within the machine’s efficiency and longevity. Excessive-quality parts, usually characterised by strong building and dependable efficiency specs, contribute to constant curing outcomes and prolonged operational life. As an example, a machine with a well-engineered fan system ensures environment friendly warmth dissipation, stopping overheating and lengthening the lifespan of inner parts. Investing in a machine with high quality parts minimizes the danger of malfunctions and ensures dependable efficiency over time.

  • Manufacturing Course of

    The manufacturing course of and high quality management measures applied throughout manufacturing considerably affect the ultimate product’s sturdiness. Precision meeting, rigorous testing, and adherence to stringent high quality requirements make sure the machine meets efficiency expectations and maintains its integrity below demanding situations. Machines manufactured with consideration to element are much less susceptible to defects and provide higher reliability in the long term. A well-defined manufacturing course of displays a dedication to high quality and contributes to a extra sturdy and reliable product.

  • Protecting Options

    Options designed to guard the machine from exterior injury additional improve its sturdiness. These would possibly embrace bolstered corners, scratch-resistant coatings, or spill-proof designs. Such options safeguard the machine towards frequent salon hazards, extending its lifespan and sustaining its aesthetic enchantment. As an example, a spill-proof design protects the inner parts from unintended liquid injury, whereas a scratch-resistant coating preserves the machine’s look over time. These protecting measures contribute to the machine’s general resilience and longevity in a busy salon setting.

Sturdiness and construct high quality are important issues when investing in an expert nail dryer machine. A robustly constructed machine, constructed with high quality supplies and parts, offers dependable efficiency, minimizes downtime, and affords an extended operational life, finally contributing to a extra environment friendly {and professional} salon expertise. Cautious consideration of those elements ensures a sound funding and contributes to a better return on funding in the long term.

6. Model Repute

Model fame performs a big position within the number of skilled nail dryer machines. A robust model fame usually signifies a historical past of high quality, reliability, and buyer satisfaction. This affiliation offers patrons with a level of confidence within the product’s efficiency, sturdiness, and security. Understanding the parts contributing to model fame offers a beneficial framework for evaluating completely different producers and making knowledgeable buying choices.

  • Product High quality and Efficiency

    A model’s fame is essentially linked to the standard and efficiency of its merchandise. Constant supply of high-performing, dependable machines builds belief and reinforces a optimistic model picture. Conversely, frequent product failures or efficiency points erode belief and injury fame. As an example, a model identified for producing machines with constant curing instances and lengthy lifespans will probably have a stronger fame than one related to inconsistent efficiency or frequent breakdowns. Within the context {of professional} nail dryer machines, product high quality immediately impacts the effectivity, consistency, and general high quality of nail providers.

  • Buyer Service and Assist

    Efficient customer support and available technical help contribute considerably to model fame. Responsive and useful customer support builds belief and fosters optimistic buyer relationships. Conversely, poor customer support experiences, corresponding to issue reaching help or unhelpful representatives, can negatively affect model notion. A model identified for its wonderful customer support and readily accessible technical help builds confidence in its merchandise and reinforces a optimistic fame. For professionals counting on their tools for each day operations, dependable buyer help is essential for minimizing downtime and resolving points rapidly.

  • Business Recognition and Awards

    Business recognition, awards, and certifications usually function indicators of a model’s dedication to high quality and innovation. Awards from respected trade our bodies or optimistic evaluations from revered publications can improve a model’s fame and sign its standing throughout the skilled group. For instance, a model persistently acknowledged for its revolutionary designs or technological developments in nail dryer expertise features credibility and strengthens its place out there. These accolades present exterior validation of a model’s dedication to excellence and contribute to its general fame.

  • Longevity and Market Presence

    A model’s longevity and established presence out there can even affect its fame. An extended historical past of manufacturing dependable merchandise and serving the skilled nail trade builds credibility and suggests a dedication to high quality and buyer satisfaction. Manufacturers which have persistently met the evolving wants of the trade over time usually earn a fame for reliability and trustworthiness. This established presence offers a way of stability and confidence for patrons, significantly when contemplating long-term investments in skilled tools.

Model fame affords beneficial insights into the potential high quality, reliability, and general worth of an expert nail dryer machine. Contemplating a model’s historical past of product efficiency, customer support, trade recognition, and market presence offers a complete framework for making knowledgeable buying choices. A robust model fame usually correlates with increased high quality merchandise and dependable buyer help, contributing to a extra optimistic and environment friendly salon expertise.

7. Upkeep Necessities

Common upkeep is important for making certain the optimum efficiency, longevity, and security {of professional} nail dryer machines. Neglecting routine upkeep can result in decreased effectivity, untimely part failure, and potential security hazards. A well-structured upkeep schedule contributes to an expert and dependable service setting, maximizing the return on funding and making certain consumer security.

  • Cleansing and Sanitization

    Common cleansing and sanitization of the machine’s inside and exterior surfaces are essential for sustaining hygiene and stopping the unfold of micro organism or fungi. Mud, particles, and residue from nail merchandise can accumulate contained in the machine, affecting its efficiency and posing a possible well being danger. Cleansing ought to contain wiping down the inside and exterior surfaces with an acceptable disinfectant, paying specific consideration to areas that come into contact with arms or toes. Common sanitization protocols, particularly between shoppers, reveal a dedication to hygiene and consumer security. This follow not solely protects shoppers but additionally helps preserve the looks and longevity of the tools.

  • Bulb Substitute

    UV and LED bulbs have a restricted lifespan and require periodic substitute to keep up optimum curing efficiency. Diminished bulb output can result in insufficient curing, leading to points like tackiness, chipping, or untimely lifting. Monitoring bulb efficiency and adhering to producer suggestions for substitute intervals ensures constant curing outcomes and prevents service disruptions. The frequency of bulb substitute varies relying on utilization and bulb sort, with LED bulbs typically having an extended lifespan than conventional UV bulbs. Well timed bulb substitute is an important side of sustaining constant service high quality and consumer satisfaction.

  • Filter Upkeep

    Some skilled nail dryer machines incorporate filters to forestall mud and particles from coming into the inner parts. Common filter cleansing or substitute, as beneficial by the producer, ensures optimum airflow and prevents overheating. Clogged filters can prohibit airflow, resulting in lowered effectivity and doubtlessly damaging inner parts. Sustaining clear filters contributes to the machine’s longevity and ensures constant efficiency. The frequency of filter upkeep will depend on the salon setting and utilization frequency, with extra frequent cleansing required in dustier environments.

  • Technical Inspection

    Periodic technical inspections by certified personnel are beneficial to determine potential points earlier than they escalate into main malfunctions. These inspections would possibly contain checking electrical connections, fan operation, and the integrity of inner parts. Proactive identification of potential issues permits for well timed repairs, minimizing downtime and stopping pricey repairs. Common technical inspections contribute to the machine’s long-term reliability and make sure the security of each shoppers and technicians. This preventative strategy minimizes the danger of sudden tools failure and ensures constant operation.

Adhering to a complete upkeep schedule is important for maximizing the lifespan and efficiency {of professional} nail dryer machines. Common cleansing, well timed bulb and filter substitute, and periodic technical inspections guarantee constant curing outcomes, forestall malfunctions, and contribute to a protected and hygienic salon setting. Implementing a proactive upkeep strategy not solely protects the funding in tools but additionally enhances the general high quality and professionalism of nail providers, finally benefiting each shoppers and salon companies.

8. Security Options

Security options in skilled nail dryer machines are paramount for shielding each shoppers and technicians from potential hazards related to UV/LED publicity and tools malfunction. These options mitigate dangers, making certain a protected and cozy salon expertise. The combination of sturdy security mechanisms displays a dedication to consumer well-being {and professional} duty. For instance, some machines incorporate sensors that routinely shut off the UV/LED lamps if the consumer withdraws their arms or toes prematurely, stopping unintended overexposure. Equally, computerized shut-off timers forestall the machine from working indefinitely if left unattended, mitigating the danger of overheating or fireplace hazards.

A number of key security options contribute to the protected operation {of professional} nail dryer machines. Protecting shielding throughout the machine’s inside minimizes stray UV/LED gentle publicity to the encircling setting and the technician’s arms. Enough air flow programs forestall overheating, lowering the danger of burns and lengthening the lifespan of inner parts. Moreover, compliance with related security requirements and certifications, corresponding to CE or UL markings, offers assurance that the machine meets established security standards. Machines designed with grounded plugs and double insulation additional defend towards electrical shocks. These security mechanisms, when mixed, create a safer working setting and reveal a dedication to accountable product design.

Understanding and prioritizing security options in skilled nail dryer machines is essential for accountable salon operation. These options immediately affect consumer and technician well-being, minimizing potential well being dangers and selling a protected working setting. Investing in machines with strong security mechanisms contributes to an expert and moral strategy to nail providers, fostering consumer belief and demonstrating a dedication to trade finest practices. Common inspection and upkeep of those security options are important for making certain their continued effectiveness and upholding the best security requirements.

Often Requested Questions

This FAQ part addresses frequent inquiries relating to skilled nail dryer machines, offering concise and informative responses to facilitate knowledgeable decision-making and promote finest practices.

Query 1: What’s the major distinction between UV and LED nail dryer machines?

UV lamps make the most of a broader spectrum of ultraviolet gentle, whereas LED lamps emit a narrower, focused wavelength. This distinction usually leads to sooner curing instances for LED lamps and compatibility variations with particular gel formulations.

Query 2: How steadily ought to UV/LED bulbs get replaced?

Bulb lifespan varies relying on utilization and bulb sort. LED bulbs typically last more than UV bulbs. Adhering to producer suggestions for substitute intervals ensures optimum curing efficiency. Diminished bulb output can result in insufficient curing.

Query 3: What security precautions ought to be noticed when utilizing an expert nail dryer machine?

Eye and pores and skin safety is paramount. Protecting eyewear and sunscreen software prior to make use of can mitigate potential UV/LED publicity dangers. Following producer pointers for utilization and upkeep additionally contributes to protected operation.

Query 4: How does wattage have an effect on curing time in a nail dryer machine?

Greater wattage usually correlates with sooner curing instances. Nonetheless, compatibility with particular gel formulations should be thought-about, as some gels aren’t designed for fast curing below high-intensity gentle and should exhibit adversarial results.

Query 5: What upkeep procedures are beneficial for skilled nail dryer machines?

Common cleansing and sanitization of the machine’s inside and exterior surfaces are essential for hygiene and efficiency. Bulb substitute in line with producer pointers, filter upkeep (if relevant), and periodic technical inspections guarantee optimum operation and longevity.

Query 6: What elements ought to be thought-about when deciding on an expert nail dryer machine for salon use?

Key issues embrace UV/LED expertise, wattage, timer settings, measurement and portability, sturdiness, model fame, upkeep necessities, and security options. Evaluating these elements in relation to particular salon wants and consumer quantity facilitates knowledgeable buying choices.

Understanding these key features {of professional} nail dryer machines contributes to knowledgeable buying choices, promotes accountable utilization, and ensures optimum efficiency, longevity, and consumer security.

Additional sections will delve into particular product suggestions, superior methods, and rising tendencies throughout the skilled nail trade.

Optimizing Nail Dryer Machine Utilization

Efficient utilization {of professional} nail drying tools is essential for attaining optimum curing outcomes, maximizing tools lifespan, and making certain consumer security. The next suggestions present sensible steering for skilled nail technicians.

Tip 1: Product Compatibility: Confirm product compatibility with the chosen UV/LED expertise. Not all gel polishes and acrylics are formulated for each UV and LED curing. Utilizing incompatible merchandise can result in insufficient curing, leading to tackiness, chipping, or untimely lifting.

Tip 2: Correct Utility: Apply skinny, even coats of gel polish or acrylic to make sure thorough and constant curing. Thick functions can hinder correct gentle penetration and result in uneven curing or product shrinkage.

Tip 3: Timer Adherence: Strictly adhere to beneficial curing instances for every product. Underneath-curing can compromise sturdiness, whereas over-curing could cause brittleness and discoloration. Make the most of the machine’s timer settings precisely for constant outcomes.

Tip 4: Shopper Preparation: Guarantee correct consumer hand or foot preparation earlier than making use of gel polish or acrylics. Cleanse the nail plate completely and take away any present polish or oils to advertise optimum product adhesion and curing.

Tip 5: Common Upkeep: Implement a routine upkeep schedule, together with cleansing, sanitization, bulb substitute, and filter upkeep (if relevant). Common upkeep ensures optimum efficiency, prolongs tools lifespan, and upholds hygiene requirements.

Tip 6: Security Protocols: Adhere to security precautions, together with eye safety and correct air flow. Protecting eyewear shields eyes from UV/LED publicity, whereas ample air flow prevents overheating and minimizes potential well being dangers.

Tip 7: Skilled Coaching: Steady skilled improvement and coaching on the most recent nail applied sciences and product developments are important for staying knowledgeable about finest practices and maximizing the effectiveness {of professional} nail dryer machines.

Adherence to those pointers contributes to the constant supply of high-quality, long-lasting nail enhancements, whereas prioritizing consumer security and maximizing tools efficiency. Correct approach, mixed with diligent upkeep and a concentrate on security, ensures skilled outcomes and a optimistic consumer expertise.

The next conclusion will summarize the important thing takeaways relating to skilled nail dryer machines and their essential position within the fashionable nail trade.

Conclusion

Skilled nail dryer machines signify a cornerstone of the fashionable nail trade, enabling environment friendly and efficient curing of gel polishes and acrylics. Technological developments, significantly in UV/LED expertise, have considerably improved curing instances and expanded the vary of obtainable nail enhancement choices. Key elements influencing tools choice embody wattage, timer settings, measurement and portability, sturdiness, model fame, upkeep necessities, and built-in security options. Understanding these features is essential for knowledgeable buying choices and accountable salon operation.

Continued developments in nail dryer expertise promise additional enhancements in curing effectivity, security, and consumer expertise. Investing in high-quality tools and adhering to finest practices for utilization and upkeep are important for delivering professional-grade nail providers, making certain consumer satisfaction, and upholding the best requirements of security and hygiene throughout the nail trade. The evolution of nail dryer expertise underscores its very important position in shaping the way forward for nail care.