9+ Best Wella Color Touch 10/6 Shades & Uses


9+ Best Wella Color Touch 10/6 Shades & Uses

This particular product is a demi-permanent hair coloration inside an expert line identified for its light, ammonia-free formulation. The numerical designation signifies a selected shade: a lightweight, cool blonde with violet undertones, designed to neutralize undesirable yellow hues and create a brighter, extra vibrant end result. It presents a much less dedicated coloration change in comparison with everlasting dyes, progressively fading over a number of washes, making it appropriate for purchasers who get pleasure from frequent coloration modifications or desire a delicate refresh.

Demi-permanent coloration presents a number of benefits. It circumstances whereas coloring, leaving hair with a wholesome shine. The ammonia-free method minimizes harm, making it a gentler choice for frequent use. The precise gentle blonde with violet tones addresses a typical concern for blondes brassiness offering a cooler, extra natural-looking end result. This specific shade’s reputation stems from its potential to ship a noticeable but mushy coloration shift, preferrred for sustaining or subtly altering blonde tones. Any such coloration product has developed alongside rising client demand for much less damaging and extra versatile hair coloration choices.

The next sections delve additional into particular points, together with utility strategies, appropriate hair sorts, and sustaining the achieved coloration. Steerage on complementary merchandise and troubleshooting potential points may also be supplied.

1. Demi-permanent coloration

Demi-permanent coloration is the defining attribute of Wella Colour Contact 10/6, distinguishing it from everlasting and short-term hair coloration choices. Understanding the nuances of demi-permanent coloration is essential for leveraging the product’s advantages and managing expectations relating to longevity and influence on hair construction.

  • Deposit-only coloration

    Demi-permanent coloration deposits coloration molecules onto the hair shaft with out lifting current pure pigment. This attribute is central to Wella Colour Contact 10/6’s light motion, because it avoids using ammonia and high-volume builders that may lighten pure hair coloration. This accretion-only motion makes it preferrred for refreshing light coloration, enhancing pure tones, or creating delicate shifts in shade, comparable to neutralizing undesirable heat in blonde hair, which is a key operate of the ten/6 shade’s violet undertones.

  • Gradual fading

    Not like everlasting coloration, demi-permanent coloration progressively fades over washes, usually lasting between 24-28 shampoos. This gradual fade-out is a major benefit of Wella Colour Contact 10/6 for people preferring to keep away from a stark line of demarcation as their hair grows or who get pleasure from exploring totally different shades repeatedly. The gradual fading course of permits for extra flexibility in coloration upkeep and experimentation.

  • Decrease-impact formulation

    The absence of ammonia and using lower-volume builders contribute to the gentler nature of demi-permanent coloration. This can be a essential side of Wella Colour Contact 10/6, because it minimizes harm to the hair shaft in comparison with everlasting coloration. This makes it an acceptable choice for these with finer or extra fragile hair, or for frequent coloration modifications the place minimizing cumulative harm is vital.

  • Mixing grey hair

    Whereas demi-permanent coloration can not totally cowl important grey hair, it might successfully mix the primary indicators of grey, softening their look and making a extra uniform coloration. This makes Wella Colour Contact 10/6 an acceptable alternative for people with minimal grey hair who search a delicate and fewer everlasting answer for mixing grey and not using a drastic coloration change.

The properties of demi-permanent coloration straight affect the efficiency and suitability of Wella Colour Contact 10/6 for numerous hair coloration objectives. Its light motion, gradual fading, and skill to mix grey make it a flexible choice for sustaining, refreshing, and subtly altering hair coloration, significantly throughout the blonde spectrum the place the ten/6 shade excels in neutralizing undesirable heat.

2. Ammonia-free

The ammonia-free nature of Wella Colour Contact 10/6 is a major think about its light motion on hair. Ammonia, historically utilized in everlasting hair coloration to open the hair cuticle and permit coloration molecules to penetrate deeply, could cause dryness, breakage, and scalp irritation. Understanding the implications of an ammonia-free formulation gives insights into the advantages of this particular product.

  • Diminished Hair Injury

    Ammonia swells the hair shaft, doubtlessly resulting in cuticle harm and protein loss. The absence of ammonia in Wella Colour Contact 10/6 minimizes cuticle disruption, preserving hair integrity. This leads to much less breakage, improved shine, and a more healthy total look, significantly useful for these with already fragile or broken hair.

  • Improved Scalp Consolation

    Ammonia’s sturdy odor and alkaline pH can irritate the scalp, inflicting discomfort and redness, particularly for delicate people. The ammonia-free formulation of Wella Colour Contact 10/6 gives a extra snug expertise throughout the coloring course of, decreasing the danger of scalp irritation and permitting for a gentler remedy.

  • Delicate Colour Change

    Ammonia facilitates a deeper penetration of coloration molecules, leading to a extra dramatic and everlasting coloration change. The ammonia-free nature of Wella Colour Contact 10/6 contributes to its demi-permanent attribute. This enables for softer, extra delicate coloration shifts, preferrred for refreshing current coloration, firming, or mixing grey with out drastically altering the pure hair coloration.

  • Higher for Frequent Use

    The low-impact on hair construction makes ammonia-free formulations like Wella Colour Contact 10/6 higher fitted to frequent functions. This aligns with the character of demi-permanent coloration, which fades progressively and infrequently requires extra frequent touch-ups in comparison with everlasting coloration, permitting for larger flexibility in coloration upkeep and experimentation with out extreme harm.

The ammonia-free side of Wella Colour Contact 10/6 is integral to its positioning as a mild, demi-permanent hair coloration. This attribute contributes to its suitability for numerous hair sorts and coloring objectives, significantly for these prioritizing hair well being and in search of delicate, much less everlasting coloration modifications. It permits for frequent coloration refreshment whereas minimizing the cumulative harm usually related to conventional, ammonia-based hair coloration merchandise.

3. Mild Blonde

Mild blonde designates the goal hair coloration degree achieved by Wella Colour Contact 10/6. Understanding the nuances of this particular shade throughout the broader blonde spectrum is essential for managing expectations and reaching desired outcomes. This part explores the important thing traits of sunshine blonde and its significance throughout the context of this specific hair coloration product.

  • Stage 10 Lightness

    The ten in 10/6 signifies the extent of lightness on a typical hair coloration scale, the place 1 represents black and 10 represents the lightest blonde. This locations gentle blonde on the highest degree of blonde achievable with this product, indicating a major lightening impact, significantly helpful for people aiming for a really pale blonde end result.

  • Base Tone and Underlying Pigment

    Reaching a real “gentle blonde” requires cautious consideration of underlying pigments. Pure hair coloration, earlier coloration remedies, and the presence of heat or cool tones affect the ultimate end result. Wella Colour Contact 10/6, being a demi-permanent coloration, primarily deposits coloration slightly than lifting. Due to this fact, reaching the specified gentle blonde might necessitate pre-lightening, significantly on darker hair, to create an acceptable canvas for the goal shade.

  • Violet Undertones The Function of “/6”

    The “/6” denotes the presence of violet undertones throughout the formulation. These violet pigments are strategically integrated to neutralize undesirable yellow or brassy tones that may generally seem in gentle blonde hair. This neutralizing impact is important for reaching a cooler, extra natural-looking gentle blonde end result, a key attribute of the ten/6 shade.

  • Upkeep and Longevity of Mild Blonde

    Sustaining a lightweight blonde shade achieved with Wella Colour Contact 10/6 requires particular aftercare concerns. Because of its demi-permanent nature, the colour will progressively fade. Utilizing color-safe shampoos and conditioners, minimizing publicity to harsh daylight, and avoiding chlorine may also help delay the vibrancy of the sunshine blonde and protect the cool tones imparted by the violet pigments.

The sunshine blonde designation of Wella Colour Contact 10/6 signifies a selected degree of lightness and tonal high quality. Understanding the extent system, the significance of underlying pigment, the position of violet undertones, and the upkeep required for this delicate shade are important for reaching and preserving the specified gentle blonde end result. This data empowers knowledgeable product choice and utility for optimum outcomes.

4. Violet Undertones

Violet undertones play an important position within the formulation of this particular hair coloration product. They serve primarily to counteract undesirable yellow or brassy tones that generally happen in gentle blonde hair, significantly after lightening processes. This corrective operate is important for reaching a cooler, extra natural-looking blonde, usually described as “icy” or “platinum.” The violet pigment, positioned reverse yellow on the colour wheel, neutralizes these heat tones, leading to a balanced and brighter blonde shade.

The significance of violet undertones is especially evident when contemplating the challenges of sustaining gentle blonde hair. Environmental components, mineral deposits in water, and product buildup can contribute to the gradual reappearance of brassiness. The integrated violet pigments on this product present a protection towards these undesirable tones, serving to to take care of the specified cool blonde between coloration functions. For instance, somebody with naturally darkish blonde hair who lightens it to a degree 10 will seemingly expertise yellow undertones. Making use of this product helps neutralize these yellow tones, ensuing within the desired gentle, cool blonde.

Understanding the operate of violet undertones inside this product permits for knowledgeable coloration choice and utility. It clarifies the precise advantages of the ten/6 shade in comparison with different gentle blonde choices missing these corrective pigments. This data empowers people to realize and keep a desired cool blonde, addressing the widespread problem of brassiness and contributing to a extra pure and vibrant total hair coloration end result. This technical understanding facilitates extra predictable and aesthetically pleasing outcomes when utilizing this specific shade throughout the broader context of blonde hair coloring.

5. Tone Correction

Tone correction is a essential side of hair coloring, significantly related when utilizing Wella Colour Contact 10/6. This shade is particularly formulated to deal with undesirable tones in gentle blonde hair, primarily yellow or brassy hues. Understanding the rules of tone correction permits for strategic coloration utility and predictable, fascinating outcomes.

  • Neutralizing Undesirable Tones

    The first operate of tone correction is neutralizing undesirable heat or cool tones within the hair. Wella Colour Contact 10/6 makes use of violet pigments to counteract yellow and orange tones, a typical challenge for gentle blondes. This neutralization course of is important for reaching a cooler, extra balanced blonde shade, also known as “icy” or “platinum.” With out tone correction, bleached or lightened hair can seem brassy and synthetic.

  • The Function of the Colour Wheel

    Tone correction depends on the rules of the colour wheel. Colours reverse one another on the wheel neutralize each other. Violet, current in Wella Colour Contact 10/6, straight opposes yellow and orange, successfully canceling out these undesirable heat tones. This focused neutralization is the muse of reaching a desired cool blonde utilizing this particular shade. Understanding these coloration relationships permits strategic coloration choice for efficient tone correction.

  • Balancing Underlying Pigment

    Underlying pigment within the hair considerably influences the ultimate coloration end result. Pure hair coloration and former coloration remedies contribute to underlying pigment. Wella Colour Contact 10/6, being a demi-permanent coloration, deposits coloration with out considerably lifting current pigment. Due to this fact, the violet tones in 10/6 work along with the present underlying pigment to create the ultimate cool blonde shade. In instances of serious underlying heat, pre-lightening could also be essential to create an acceptable base for optimum tone correction with this product.

  • Sustaining Tone-Corrected Hair

    Sustaining tone-corrected hair requires particular aftercare practices. Environmental components, mineral deposits in water, and product buildup can progressively reintroduce undesirable tones. Utilizing color-safe shampoos and conditioners particularly designed for blonde hair, incorporating violet-toning merchandise, and minimizing publicity to harsh parts may also help delay the consequences of tone correction achieved with Wella Colour Contact 10/6, preserving the specified cool blonde shade and stopping the re-emergence of brassiness.

Tone correction is integral to reaching and sustaining the specified outcomes with Wella Colour Contact 10/6. The violet undertones on this formulation, mixed with a radical understanding of coloration idea and hair traits, empower knowledgeable product choice and utility, resulting in a extra predictable and aesthetically pleasing cool blonde final result. Constant upkeep additional ensures long-lasting tone correction and vibrant hair coloration.

6. Gradual Fading

Gradual fading is a defining attribute of Wella Colour Contact 10/6, distinguishing it from everlasting hair coloration. This attribute considerably influences shopper suitability, upkeep routines, and total coloration expertise. Understanding the nuances of gradual fading gives insights into the sensible implications of utilizing this demi-permanent coloration.

  • Diminished Demarcation Strains

    As Wella Colour Contact 10/6 fades, the transition between the coloured hair and new progress seems softer and fewer noticeable. This minimizes the stark line of demarcation usually related to everlasting coloration, decreasing the necessity for frequent root touch-ups and providing a extra pure look as the colour diminishes. This attribute is especially advantageous for many who desire a low-maintenance method to hair coloration or are transitioning between shades.

  • Colour Refresh Flexibility

    The gradual fading course of permits for larger flexibility in coloration refreshing and experimentation. As the colour softens, it creates a smoother canvas for subsequent coloration functions, whether or not retouching the present shade or transitioning to a brand new tone. This adaptability is useful for people who get pleasure from altering their hair coloration repeatedly or desire to subtly alter their shade over time.

  • Predictable Colour Evolution

    The progressive fade-out of Wella Colour Contact 10/6 permits for predictable coloration evolution. The colour lightens progressively over a number of washes, providing a managed transition. This predictability permits purchasers to anticipate the colour shift and alter their upkeep routine accordingly, guaranteeing constant coloration satisfaction over time.

  • Upkeep and Longevity

    Whereas gradual fading is aesthetically advantageous, it additionally necessitates particular upkeep concerns. The longevity of Wella Colour Contact 10/6, usually lasting between 24-28 washes, requires color-safe hair care practices to protect the vibrancy and tone for so long as potential. Using sulfate-free shampoos and conditioners particularly formulated for color-treated hair helps keep the colour’s integrity and lengthen the time between functions. Moreover, limiting publicity to harsh environmental components, comparable to extreme daylight and chlorine, may also help stop untimely fading.

The gradual fading attribute of Wella Colour Contact 10/6 considerably impacts the general person expertise. Its mushy transition, coloration refresh flexibility, and predictable evolution supply distinct benefits for sustaining and adjusting hair coloration, significantly for these in search of a much less everlasting and extra adaptable method to coloring. Understanding these aspects permits for knowledgeable product choice and practical expectations relating to coloration longevity and upkeep.

7. Mixing ratio

The blending ratio for Wella Colour Contact 10/6 is essential for reaching predictable and fascinating coloration outcomes. Incorrect proportions of coloration and developer can result in uneven coloration, compromised grey mixing, and decreased vibrancy. Adherence to the advisable ratio ensures optimum coloration improvement and efficiency.

  • Normal Mixing Ratio

    The usual mixing ratio for Wella Colour Contact is 1:2, which means one half coloration to 2 elements developer. For instance, 30g of 10/6 can be combined with 60g of the suitable Wella Colour Contact developer. This particular ratio is formulated to ship the specified coloration saturation and tonal traits of the ten/6 shade, guaranteeing optimum protection and vibrancy.

  • Developer Choice

    Selecting the proper developer is as important as the blending ratio itself. Wella Colour Contact presents numerous developer strengths, every designed for particular coloration objectives. The chosen developer energy straight influences the ultimate coloration end result. Utilizing a decrease quantity developer (e.g., 1.9%) gives a delicate coloration refresh or tone correction, whereas greater volumes (e.g., 4%) supply extra important lightening or grey mixing. The advisable developer energy for 10/6 will depend upon the specified degree of raise and tone deposit.

  • Impression on Colour Saturation and Tone

    Deviating from the advisable 1:2 mixing ratio straight impacts the colour’s saturation and tone. Utilizing much less developer may end up in a extra intense however doubtlessly uneven coloration deposit, whereas utilizing extra developer can result in a diluted coloration and compromised tonal accuracy. Exact measurement and adherence to the proper ratio make sure the supposed coloration saturation and the correct violet undertones of 10/6 are achieved for optimum neutralization of brassy tones.

  • Significance of Exact Measurement

    Correct measurement of each coloration and developer is paramount. Utilizing calibrated instruments, comparable to a measuring scale or graduated mixing containers, ensures the proper proportions are maintained. Inaccurate measurements can compromise the colour’s efficiency, leading to unpredictable outcomes. Constant precision in measurement ensures repeatable and dependable outcomes when utilizing Wella Colour Contact 10/6.

Exact adherence to the advisable mixing ratio, together with deciding on the suitable developer energy and using correct measurement strategies, is key for reaching optimum outcomes with Wella Colour Contact 10/6. This consideration to element ensures the supposed gentle blonde shade with violet undertones develops appropriately, offering the specified coloration saturation, tone correction, and total efficiency.

8. Improvement time

Improvement time considerably influences the ultimate coloration end result achieved with this particular hair coloration product. This time refers back to the period the colour combination stays on the hair after utility, permitting the colour molecules to penetrate and react with the hair shaft. Adhering to the advisable improvement time is essential for reaching the supposed coloration saturation, tone, and total efficiency.

The advisable improvement time for Wella Colour Contact is often between 20 and 40 minutes, relying on the specified end result and the chosen developer energy. Decrease quantity builders usually require longer processing instances, whereas greater volumes might obtain the specified raise and tone inside a shorter timeframe. Prematurely rinsing the colour may end up in underdeveloped coloration and compromised tonal accuracy, particularly the violet undertones essential for neutralizing brassiness within the 10/6 shade. Conversely, exceeding the advisable improvement time, although unlikely to trigger important harm as a result of product’s demi-permanent nature, might not yield additional coloration change and will doubtlessly result in uneven outcomes. For instance, if the goal shade is a cool, gentle blonde and the developer used is 1.9%, a improvement time nearer to 40 minutes may be needed. Nevertheless, if a 4% developer is used, the event time may be nearer to twenty minutes to realize the identical degree of raise.

Correct timing is important for reaching predictable and fascinating outcomes. Monitoring the event course of visually by checking the hair’s tonal development is advisable. Exterior components, comparable to room temperature, can subtly affect improvement time. Skilled judgment, based mostly on hair sort and situation, is essential for figuring out the optimum processing period. Understanding and adhering to the advisable improvement time, coupled with cautious remark {and professional} evaluation, ensures the supposed coloration and tonal qualities of this particular shade are totally realized, leading to a constant and aesthetically pleasing final result. This precision contributes considerably to the general effectiveness and predictability of the coloring course of.

9. Aftercare

Applicable aftercare is important for sustaining the vibrancy, tone, and total well being of hair coloured with Wella Colour Contact 10/6. This particular shade, a lightweight cool blonde, is especially prone to fading and the re-emergence of undesirable heat tones. A devoted aftercare routine preserves the specified coloration and contributes to the long-term well being and look of the hair.

Particular product decisions play an important position in sustaining coloration longevity. Sulfate-free shampoos and conditioners are important, as sulfates can strip coloration molecules, resulting in untimely fading and dullness. Merchandise formulated particularly for color-treated or blonde hair usually include components that assist neutralize undesirable yellow tones and keep the cool, ashy hues attribute of 10/6. For instance, incorporating a violet-toned conditioner or masks a couple of times every week may also help counteract brassiness and keep the specified cool blonde. Moreover, minimizing publicity to harsh environmental components, comparable to extreme daylight and chlorine, helps stop coloration degradation and protect tonal integrity. Warmth styling, whereas usually fascinating, also can contribute to paint fading and dryness. Utilizing warmth protectant sprays earlier than styling and limiting warmth publicity every time potential may also help mitigate these results. Common deep conditioning remedies additional assist hair well being, particularly after chemical processing, and contribute to a smoother, shinier look, which boosts the notion of coloration vibrancy.

Neglecting correct aftercare can compromise the outcomes achieved with Wella Colour Contact 10/6. Untimely fading, undesirable heat, and dryness can detract from the specified aesthetic. A complete aftercare technique, encompassing product choice, environmental safety, and common deep conditioning, is subsequently important for maximizing coloration longevity, sustaining tonal accuracy, and guaranteeing total hair well being. This diligent method ensures the supposed cool, gentle blonde shade stays vibrant and true-to-tone, justifying the funding in skilled hair coloration and contributing to long-term hair well being and shopper satisfaction.

Ceaselessly Requested Questions

This part addresses widespread inquiries relating to the applying, upkeep, and anticipated outcomes of this particular hair coloration product.

Query 1: How lengthy does the colour usually final?

As a demi-permanent coloration, it progressively fades over 24-28 washes, relying on hair porosity and upkeep routine.

Query 2: Is pre-lightening required earlier than utility?

Pre-lightening is advisable for darker hair ranges to realize the specified gentle blonde end result and guarantee optimum tone correction. An expert session is suggested to find out the mandatory degree of raise.

Query 3: Can this product be used to cowl grey hair?

Whereas it might mix minimal grey, it isn’t formulated for important grey protection. Everlasting coloration choices are advisable for greater percentages of grey hair.

Query 4: What developer ought to be used with this product?

The advisable developer energy varies relying on the specified raise and tone deposit. A 1.9% developer is commonly used for delicate coloration refreshment or firming, whereas a 4% developer could also be needed for larger raise. Skilled steerage is advisable for developer choice.

Query 5: How can brassiness be prevented after coloring?

Using color-safe, sulfate-free shampoos and conditioners particularly designed for blonde hair, incorporating violet-toned merchandise, and minimizing publicity to exhausting water and chlorine assist keep the cool tones and forestall brassiness.

Query 6: What’s the distinction between demi-permanent and everlasting coloration?

Demi-permanent coloration deposits coloration with out lifting pure pigment and progressively fades over time. Everlasting coloration, nonetheless, lifts and deposits coloration, leading to a extra dramatic and lasting change.

Understanding the nuances of this particular shade and its demi-permanent nature is important for reaching desired outcomes and sustaining coloration vibrancy. Skilled session is at all times advisable for customized steerage tailor-made to particular person hair traits and coloration objectives.

The next part gives additional sensible suggestions and troubleshooting recommendation for optimizing utility and addressing potential challenges.

Suggestions for Optimum Outcomes

Reaching optimum outcomes with this particular demi-permanent hair coloration requires consideration to element and adherence to finest practices. The next suggestions present sensible steerage for profitable utility and upkeep.

Tip 1: Strand Check: Conducting a strand take a look at earlier than full utility is essential. This enables evaluation of coloration improvement and helps decide the suitable improvement time for the specified degree of raise and tone. A strand take a look at additionally helps predict how the violet undertones will work together with current underlying pigment.

Tip 2: Exact Measurement: Correct measurement of coloration and developer utilizing calibrated instruments ensures the proper 1:2 mixing ratio. This precision is important for reaching constant coloration saturation and tonal accuracy.

Tip 3: Developer Choice: Selecting the proper developer energy is significant. Decrease quantity builders are appropriate for delicate coloration refreshment or firming, whereas greater volumes supply larger raise. Skilled steerage is advisable for optimum developer choice based mostly on particular person hair traits.

Tip 4: Even Utility: Systematic utility ensures even coloration distribution and prevents patchiness. Beginning on the roots and dealing in direction of the ends utilizing a brush and bowl utility methodology promotes constant coloration saturation.

Tip 5: Monitor Improvement Time: Frequently checking coloration improvement throughout processing ensures the goal shade is achieved with out over- or under-processing. Alter improvement time based mostly on the noticed coloration development and the strand take a look at outcomes.

Tip 6: Correct Rinsing: Completely rinsing the hair after the event time removes all traces of coloration and developer. Lukewarm water helps seal the cuticle and enhances shine.

Tip 7: Focused Aftercare: Utilizing sulfate-free shampoos and conditioners particularly formulated for color-treated or blonde hair preserves coloration vibrancy. Incorporating violet-toned conditioning remedies helps keep cool tones and counteract brassiness.

Tip 8: Warmth Safety: Limiting warmth styling and utilizing thermal protectants minimizes coloration fading and harm brought on by excessive temperatures. This helps keep the integrity of the sunshine blonde shade and total hair well being.

Adherence to those sensible suggestions ensures predictable, fascinating outcomes, maximizing the advantages of this specialised product. Exact utility, cautious monitoring, and focused aftercare contribute to long-lasting coloration vibrancy, tonal accuracy, and total hair well being.

The next conclusion summarizes the important thing advantages and concerns mentioned all through this complete information.

Conclusion

Wella Colour Contact 10/6 presents a specialised method to reaching a cool, gentle blonde hair coloration. Its demi-permanent, ammonia-free formulation gives a mild methodology for coloration deposition and tone correction. The violet undertones throughout the 10/6 shade are particularly designed to neutralize undesirable yellow or brassy hues, a typical problem in sustaining gentle blonde hair. Cautious consideration of blending ratios, developer choice, and improvement time is essential for optimum coloration improvement and efficiency. A devoted aftercare routine, using color-safe merchandise and minimizing publicity to harsh environmental components, additional ensures coloration longevity and maintains the specified cool tones.

Reaching and sustaining a vibrant, healthy-looking gentle blonde requires a complete understanding of the product’s traits and correct utility strategies. This data empowers knowledgeable product choice and constant, predictable outcomes. In the end, the cautious execution of those parts contributes to profitable coloration transformations and shopper satisfaction throughout the realm {of professional} hair coloring.