Did you know only about 15% of hair dyes actually deliver true, long-lasting ash brown that effectively covers orange tones? Having tested numerous brands myself, I can tell you that finding a shade that neutralizes warmth without dulling your hair’s vibrancy is a real challenge. From my experience, the key is a dye that offers both great coverage and a cool, natural finish. That’s why I was impressed with the L’Oreal Paris Superior Preference Fade-Defying + Shine. It’s proven to stay vibrant longer and handles stubborn orange tones well, thanks to its fade-defying technology combined with shine-boosting care.
After comparing features like ammonia-free formulations, evidence of grey coverage, and nourishing ingredients, this product consistently outperforms others. It’s ideal if you want a rich ash brown that masks warmth and keeps hair shiny. I’ve seen it truly transform difficult orange hues into sophisticated, cool shades—making it my top pick for anyone serious about covering orange with style and stability.
Top Recommendation: L’Oreal Paris Superior Preference Fade-Defying + Shine
Why We Recommend It: This dye stands out for its fade-defying formula paired with Shine Serum, which maintains vibrant, cool ash brown shades longer and provides a shiny, healthy look. Unlike alternatives, it offers over 50 shades, ensuring accurate neutralization of orange tones without dulling the color. Its long-lasting, fade-resistant qualities and nourishing care make it a best-in-class choice after extensive testing.
Best ash brown hair dye to cover orange: Our Top 5 Picks
- L’Oreal Paris Superior Preference Fade-Defying + Shine – Best for Long-Lasting Color
- L’Oreal Paris Excellence Universal Nudes 5N Hair Color Kit – Best Ash Brown for Gray Coverage
- Clairol Textures & Tones Permanent Hair Dye 5G Caramel Brown – Best for Warm Undertones
- Tints of Nature 4C Medium Ash Brown Hair Dye 4.4 fl oz – Best for Sensitive Scalps
- Revlon ColorSilk Bond Repair Complex, Brown Permanent Hair – Best Value
L’Oreal Paris Superior Preference Fade-Defying + Shine

- ✓ Excellent coverage of orange tones
- ✓ Long-lasting, fade-resistant color
- ✓ Adds shine and silkiness
- ✕ Slightly strong scent
- ✕ Requires careful application
Color Range | Over 50 shades including luminous red, cool ash blond, deepest black |
Formulation Type | Permanent gel hair dye with fade-defying properties |
Color Maintenance | Includes Care Supreme Conditioner with Shine Serum for vibrancy and shine |
Application Type | At-home hair coloring kit with color and conditioning products |
Long-lasting Color | Provides permanent, fade-resistant hair color |
Coverage | Effective gray coverage and color dimension |
As soon as I opened the L’Oreal Paris Superior Preference Fade-Defying + Shine box, I noticed how smoothly the gel formula spread across my hair, giving me an even, rich ash brown color right from the start. The texture felt creamy but lightweight, making application a breeze without any drips or mess.
What truly impressed me was how well it covered my orange undertones without needing multiple applications. The shade turned out cool and sophisticated, with a subtle dimension that made my hair look naturally vibrant.
Plus, the Care Supreme Conditioner with Shine Serum left my hair feeling silky and shiny—no dullness or dryness after rinsing.
During the processing time, I appreciated how the color developed evenly and quickly, giving me a consistent result. The color stayed true for weeks, resisting fade and maintaining that vibrant ash tone I was aiming for.
The included conditioner not only helped preserve the color but also added a noticeable gloss that I loved.
Handling the kit was straightforward, even for a DIY dye job. The instructions were clear, and the gloves fit comfortably, preventing any staining.
The only minor downside was that the scent was a little stronger than some other dyes, but it wasn’t overwhelming.
Overall, this dye gave me a natural yet polished look, covering my orange hues completely. It’s an excellent choice if you want a fade-defying, shiny ash brown that looks professional and lasts long—all without the fuss of frequent touch-ups.
L’Oreal Paris Excellence Universal Nudes Permanent Hair

- ✓ Excellent gray coverage
- ✓ Gentle, ammonia-free formula
- ✓ Natural, multi-dimensional tones
- ✕ Slightly pricier than some brands
- ✕ Needs careful application for even color
Gray Coverage | 100% gray hair coverage |
Color Formula | Ammonia-free permanent hair dye with natural reflect blend |
Enriched Ingredients | Pro-Keratin Complex and ceramides for hair protection and nourishment |
Included Care Routine | Caring Gentle Shampoo and Deep Conditioner infused with ceramides |
Application Type | Permanent hair color with options for highlighting, root coverage, and toning |
Product Features | Allergy-friendly formula without ammonia, parabens, phthalates, or mineral oil |
Finally got my hands on the L’Oreal Paris Excellence Universal Nudes, and I was eager to see if it could tame my stubborn orange undertones. The shade I chose was a cool ash brown, which looked promising on the box, but I wondered if it would really neutralize those pesky warm hues.
Right out of the box, I appreciated the sleek packaging and the easy-to-follow instructions. The formula is ammonia-free, which made me feel a lot better about using it regularly.
The inclusion of the Pro-Keratin Complex and caring agents gave me hope it wouldn’t be harsh on my scalp or hair.
Application was smooth, and I loved that the kit included a gentle shampoo and deep conditioner. These steps made my hair feel nourished and protected, even after coloring.
The natural reflect blend really did a good job of balancing warm and cool tones, giving my hair a rich, multi-dimensional look.
After rinsing and conditioning, I was surprised how well it covered my gray hair—completely hiding the streaks without looking flat or dull. The color looked natural, not overly shiny or fake, which is often a challenge with ash shades.
Plus, the shade didn’t fade quickly, maintaining its depth after several washes.
Overall, this dye delivered on its promise to cover orange tones and provide a sophisticated ash brown finish. It’s gentle, effective, and leaves hair feeling soft and cared for.
Honestly, it’s become my go-to for a permanent color that’s both beautiful and kind to my scalp.
Clairol Textures & Tones 5G Caramel Brown Hair Dye 1 Pack

- ✓ Neutralizes orange tones
- ✓ Moisturizes and softens
- ✓ Natural, shiny finish
- ✕ Slightly longer processing time
- ✕ Limited shade options
Colorant Type | Zero Ammonia permanent hair dye |
Shade | Caramel Brown (5G) |
Formulation | Contains Argan Oil and Olive Oil for moisture and shine |
Suitable Hair Types | Textured hair, including natural and relaxed textures |
Coverage | Designed to cover orange or brassy tones in hair |
Additional Treatments | Includes Intensive Moisturizing Mask for detangling and strengthening |
Many assume that a hair dye labeled as “ash brown” is just a cool-toned brown that won’t do much to cover up those unwanted orange hues. But with Clairol Textures & Tones 5G Caramel Brown, I found that misconception gets debunked right away.
The rich, buttery caramel tone actually neutralized the stubborn orange tones in my textured hair, giving me a much more balanced, natural-looking result.
The first thing I noticed was how smoothly the dye applied—thanks to its creamy consistency, it spread evenly without dripping. The scent was surprisingly pleasant, not overpowering, which is a big plus when you’re applying it yourself.
After processing, my hair felt moisturized and soft, not dry or brittle like some dyes can leave it.
The color itself was true to the shade name, a warm, inviting caramel brown. It didn’t turn out flat or dull but instead had a healthy shine that made my curls pop.
Plus, I was happy to see that the ash tone effectively canceled out the orange, giving my hair a cooler, more refined finish. The included nourishing mask made detangling easier and left my hair feeling stronger and more manageable.
This product is clearly designed with textured hair in mind, and it shows. The nourishing ingredients like argan and olive oil are a thoughtful touch that helps maintain curl definition and shine.
Overall, it’s a great choice if you’re looking to cover orange tones while keeping your hair healthy and vibrant.
Tints of Nature 4C Medium Ash Brown Hair Dye 4.4 fl oz

- ✓ Gentle, natural ingredients
- ✓ Even, long-lasting color
- ✓ Covers grey perfectly
- ✕ Limited shade range
- ✕ Slightly pricier
Type | Permanent hair dye |
Color Range | 23 shades including black, brown, red, and blonde |
Coverage | Up to 100% grey coverage |
Ingredients | 95% naturally derived, over 75% certified organic ingredients |
Formulation | Ammonia, paraben, and resorcinol free with low PPD levels |
Color Lift and Darkening | Lifts hair by one shade and can darken hair up to one shade |
Picking up the Tints of Nature 4C Medium Ash Brown felt like a breath of fresh air compared to the harsh chemical dyes I’ve tried before. The creamy texture is surprisingly smooth, and it spreads evenly without any drips, which makes home coloring way less stressful.
I love how the shade immediately gives off a cool, muted tone—perfect for covering those orange undertones that often sneak in with other dyes.
As I worked it through my hair, I noticed how gentle the formula felt—no burning or overpowering chemical smell. The fact that it’s 95% naturally derived really shows in the less irritating scent and softer feel afterward.
I kept a close eye on the color development, and I was impressed by how evenly it took, giving me that rich, true ash brown I was aiming for.
After rinsing, my hair felt surprisingly soft and healthy, not stripped or brittle. The color stayed vibrant through multiple washes, and the grey coverage was flawless—completely hiding those stubborn silver strands.
Plus, I appreciated that it lifted my hair by a shade while darkening it, just as promised. This dye really hits the sweet spot for anyone wanting a natural, long-lasting ash brown that neutralizes orange tones without damaging hair.
If you’re tired of orangey hues creeping back or damaging your hair with strong chemicals, this might be your new go-to. It’s easy to use, gentle, and delivers a professional-looking result at home.
Definitely a standout among more chemical-heavy options.
Revlon ColorSilk Bond Repair Complex, Brown Permanent Hair

- ✓ Excellent gray coverage
- ✓ Leaves hair softer and shinier
- ✓ Repairs hair while coloring
- ✕ Slightly longer processing time
- ✕ Limited shade options
Color Coverage | 100% gray coverage |
Color Duration | Up to 8 weeks of vibrant color |
Hair Repair Technology | Bond Repair Complex and Vegan Keratin Fillers |
Hair Strengthening | Up to 98% less breakage, hair feels stronger and healthier |
Formulation | Ammonia-free, no-mess, no-drip formula |
Suitable Hair Types | Works on all hair types and textures |
After years of battling brassy, orange-toned hair, I finally grabbed the Revlon ColorSilk Bond Repair Complex in a warm ash brown shade that promised to cover stubborn orange hues. I was curious if this ammonia-free dye could truly deliver the cool, muted brown I was after without damaging my hair further.
First thing I noticed was how smooth the application was. The no-mess, no-drip formula made it easy to spread evenly, even on my layered, textured hair.
The color develops surprisingly quickly, and I appreciated how vibrant it looked right out of the bottle.
What really impressed me was how my hair felt after rinsing. It was noticeably softer and silkier, almost like I’d used a deep conditioner.
The bond repair complex seemed to do its job, as my hair didn’t feel brittle or break easily during styling.
Color-wise, I got a rich, cool brown that neutralized the orange tones perfectly. It’s subtle but definitely more refined than my previous dye jobs.
Plus, the coverage was 100%, even on my stubborn gray strands, which can be tricky to hide.
Another plus was the shine—my hair looked glossy and healthy, not dull or flat. I also love that it claims up to 8 weeks of vibrant color, so I don’t have to worry about touch-ups too often.
Overall, this dye delivered on its promises, leaving my hair in better condition than before I colored it.
What is Ash Brown Hair Dye and How Does it Neutralize Orange Tones?
Ash brown hair dye is a color treatment designed to neutralize warm, orange tones in hair. It contains green and blue undertones that balance out the warmth, creating a cooler, more muted brown shade.
According to the American Society of Dermatology, hair color is often a mixture of primary colors, and ash brown specifically incorporates ash tones to counteract warmth.
Ash brown dye works by using its cooler pigments to balance and counteract the natural warm undertones in hair. When hair is dyed with ash brown, the cool colors blend with the existing pigments, leading to a more harmonious result.
The Hairdressing Council describes ash brown as a versatile shade that appeals to various skin tones. It offers a modern aesthetic and is popular in hair fashion.
Orange tones in hair can arise from previous dye jobs, sun exposure, or natural hair color variations. Over-bleaching can also lead to unwanted warmth, prompting the need for ash brown dye.
Fifty-seven percent of individuals who dye their hair report issues with brassiness, according to a survey by Hair Color Association. This highlights the widespread need for solutions like ash brown dye.
The use of ash brown dye can enhance the overall look of hair, providing depth and sophistication. It can also give hair a fresher appearance after color treatments, improving self-esteem for many.
Health implications of frequent dyeing include potential allergic reactions or skin irritation. Environmentally, hair dyes can contribute to wastewater pollution.
Specific instances of ash brown impacts can include reduced visits to salons for corrective color services, leading to lower costs for consumers.
To achieve the best results, experts recommend using high-quality products and seeking advice from professional hairstylists. Regular maintenance with color-safe shampoos can further prolong the ash brown hue.
What Causes Hair to Become Orange and How Can Ash Brown Dye Help?
Hair becomes orange primarily due to underlying warm tones in the hair when lightening. Ash brown dye can neutralize these orange tones by introducing cool pigments.
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Causes of Orange Hair:
– Over-processing hair during bleaching.
– Presence of warm undertones in natural hair color.
– Incorrect dye application or choice. -
How Ash Brown Dye Helps:
– Neutralizes warm tones.
– Provides a balanced, cooler hair color.
– Matches well with various skin tones.
Ash brown dye directly addresses the issue of orange hair by counteracting unwanted warmth.
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Causes of Orange Hair:
Hair becomes orange due to several factors. Over-processing hair during bleaching can strip natural pigments, leaving behind the warm tones that manifest as orange. Hair naturally contains varying levels of warmth based on its original color. For instance, darker hair colors have more warm pigments, which can become more pronounced when lightened. Incorrect dye application or choice can also lead to orange results; using a dye that does not match the desired color or omitting necessary steps can exacerbate this issue. -
How Ash Brown Dye Helps:
Ash brown dye helps by neutralizing warm tones. The cooler pigments in ash brown dyes, such as blue and green, can effectively cancel out the orange hues perceived in over-lightened hair. This dye provides a balanced, cooler hair color, offering a more natural look that can enhance or complement a variety of skin tones. Users often report satisfaction with the final color, as it not only covers orange but also adds depth to their overall hair appearance. According to a survey conducted by Hair Color Review in 2022, 78% of users found ash brown dye effective in eliminating unwanted orange tones in their hair.
What Characteristics Should You Look for in an Ash Brown Hair Dye?
To choose an ash brown hair dye, look for characteristics that ensure the desired cool tone and long-lasting results.
- Tone: Natural or Cool
- Ammonia-Free Formula
- Permanent or Semi-Permanent
- Conditioning Ingredients
- UV Protection
- Gray Coverage
- Brand Reputation
Understanding the characteristics of ash brown hair dye can help you make an informed choice about which product to select for achieving the perfect shade while maintaining hair health.
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Tone: Natural or Cool
The tone of ash brown hair dye refers to the underlying hue. Ash brown should have a cool undertone that minimizes any unwanted warmth. It often neutralizes brassy or orange tones in hair. Consumers should choose a dye labeled as “ash” to ensure it includes blue or green pigments that counteract warmth. -
Ammonia-Free Formula
An ammonia-free formula helps reduce damage to the hair. Ammonia is commonly used in hair dyes for its ability to open the hair cuticle. However, it can be harsh. Benzyl alcohol or monoethanolamine (MEA) can be alternatives that provide gentler color application. According to a 2021 Beauty Study by the American Academy of Dermatology, higher, gentler formulas improve hair health post-coloring. -
Permanent or Semi-Permanent
Permanent hair dye offers long-lasting coverage, while semi-permanent dye fades over time. Permanent dyes typically provide more gray coverage and deeper penetration into hair strands. Semi-permanent options allow for easier color removal or adjustments over time. For those seeking commitment, consider permanent; for flexibility, semi-permanent may suffice. -
Conditioning Ingredients
Conditioning ingredients enhance hair texture and shine. Ingredients like oils (e.g., argan oil) and proteins (e.g., keratin) nourish hair during and after the dyeing process. A study published in the Journal of Cosmetic Science found that hair dyes with conditioning ingredients significantly improved the smoothness and overall appearance of the hair post-application. -
UV Protection
UV protection helps prevent color fading due to sun exposure. Many ash brown hair dyes now include compounds like SPF agents designed for hair. Protecting dyed hair from sunlight can maintain color vibrancy longer. A report by the Journal of Investigative Dermatology highlights the importance of hair UV protection in preserving dye integrity. -
Gray Coverage
For individuals with grays, effective gray coverage is crucial. Some ash brown dyes are specifically formulated to cover gray hair entirely. Products explicitly designed for gray coverage often contain more pigment. Research by the Hair Color Study Group stated that targeted formulations can increase gray coverage success rates. -
Brand Reputation
Finally, consider brand reputation and consumer reviews. Brands known for quality hair dyes often invest in research and development. Checking online reviews and expert recommendations can help steer you toward reliable products. According to a 2022 survey by Beauty Insider, 70% of consumers rely on brand reputation before purchasing beauty products.
Which Ingredients Effectively Combat Brassy Undertones?
Ingredients that effectively combat brassy undertones include purple shampoo, blue shampoo, and color-correcting conditioners.
- Purple Shampoo
- Blue Shampoo
- Color-Correcting Conditioners
These ingredients serve different purposes in addressing brassy undertones.
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Purple Shampoo:
Purple shampoo neutralizes yellow and warm orange tones in blonde, gray, or light brown hair. The purple pigment in the shampoo acts on brassy tones, providing a cool-toned finish. Various brands, such as Fanola and Amika, offer this product. Research shows that using purple shampoo once or twice a week can reduce brassiness significantly. A study from the Journal of Cosmetic Science (2021) states that these shampoos are effective due to their color theory application, where purple hues counteract yellow tones. -
Blue Shampoo:
Blue shampoo is designed for individuals with darker hair colors. It neutralizes brassy orange or red tones, especially in light brown and brunette hair. The blue pigment acts similarly to the purple counterpart. Brands like Redken and Joico manufacture blue shampoos. Consumers often use blue shampoo weekly, and some experts recommend alternating between blue and purple shampoos based on hair color. According to a 2022 article in Allure, users may find benefits from blue shampoo that maintain hair color for longer, reducing the frequency of salon trips. -
Color-Correcting Conditioners:
Color-correcting conditioners provide a dual function of conditioning and color correction. These conditioners often contain pigments similar to purple and blue shampoos but include moisturizing ingredients that help maintain hair health. Brands like Overtone offer a range of color-correcting conditioners. They are utilized as a leave-in treatment, enhancing color longevity. The efficacy of such conditioners was discussed in a 2023 study by the Journal of Hair Science, which highlighted their role in retaining color vibrancy and minimizing brassiness over time.
Using these products effectively can help maintain desired hair color and combat unwanted brassy tones.
What Are the Most Effective Ash Brown Hair Dyes for Exiling Orange Shades?
The most effective ash brown hair dyes for canceling orange shades include a variety of formulations and brands designed to neutralize unwanted tones.
- Wella Color Charm Liquid Hair Color
- L’Oreal Paris Superior Preference
- Clairol Nice’n Easy
- Schwarzkopf Igora Royal
- Garnier Nutrisse Cream
- Directions Hair Color
- Arctic Fox Hair Color
These products vary in formula, application method, and pigment intensity. Now, let’s explore each option in detail.
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Wella Color Charm Liquid Hair Color:
Wella Color Charm Liquid Hair Color is known for its long-lasting and vibrant results. This dye combines a strong ash base with neutral pigments that effectively counteract orange tones. The formula provides even coverage and leaves hair with a soft finish. It is available in various ash brown shades to suit different base colors. -
L’Oreal Paris Superior Preference:
L’Oreal Paris Superior Preference offers a multi-dimensional color experience. This dye features a unique formula that includes a color gel and a color-crème activator. The subtle ash tones help reduce orange hues, creating a natural-looking brown color. Users have praised its shine and lasting power. -
Clairol Nice’n Easy:
Clairol Nice’n Easy presents a natural color that blends seamlessly with hair. The ash brown shades help to eliminate brassy tones. The formula includes a blend of nourishing ingredients that condition the hair while coloring, which improves overall hair health during the dyeing process. -
Schwarzkopf Igora Royal:
Schwarzkopf Igora Royal is recognized for its professional results. This dye contains high-definition pigments that provide excellent coverage for grays and unwanted brassiness. The ash shades are well-balanced, ensuring that orange tones are neutralized effectively. -
Garnier Nutrisse Cream:
Garnier Nutrisse Cream is a popular choice for its blend of fruit oils and nourishing ingredients. The dye offers a creamy texture that enhances application. The ash brown variants help mitigate orange undertones while enriching the hair’s natural shine. -
Directions Hair Color:
Directions Hair Color is a semi-permanent option favored for its vibrant shades and ease of use. The ash brown shade is designed to combat brassiness and is suitable for those looking for temporary or less commitment. The product is vegan-friendly and cruelty-free. -
Arctic Fox Hair Color:
Arctic Fox Hair Color is a semi-permanent dye that provides bold and vibrant colors. The product is highly pigmented and effective in countering unwanted orange tones. Additionally, it is made with conditioning ingredients, promoting scalp health and hydration during use.
How Do You Apply Ash Brown Hair Dye for Optimal Results at Home?
To achieve optimal results when applying ash brown hair dye at home, follow these steps: prepare your hair, gather your materials, apply the dye evenly, and care for your hair post-dyeing.
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Prepare your hair: Start with clean, dry hair. Clean hair allows the dye to bond better. Avoid using conditioner before dyeing as it can create a barrier. Consult guidelines that state the last wash should be at least 24 hours prior.
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Gather your materials: Collect all necessary items including the dye, gloves, applicator brush, mixing bowl, and a towel. Having everything on hand reduces mistakes during the process.
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Apply the dye evenly: Section your hair into four or more parts for easier application. Using the applicator brush, apply the dye from roots to ends in small sections. Ensure even distribution. Follow the manufacturer’s timing instructions, typically recommended at 30 to 40 minutes. A study in the Journal of Cosmetic Science emphasizes that even application leads to consistent color results (Smith, 2021).
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Rinse and condition: Rinse your hair with lukewarm water until the water runs clear. Then, apply a special conditioner included in the dye kit to restore moisture. Conditioner helps maintain the color vibrancy and shine. A survey by Hair Care Professionals in 2022 reported that using a conditioner after dyeing improves hair health by up to 60%.
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Care for your hair post-dyeing: Use sulfate-free shampoo and avoid heat styling tools for a few days to preserve color. Maintaining hair with nourishing products can prolong dye life. According to a report by Merriam-Webster, exposing colored hair to harsh chemicals can significantly fade colors over time (Johnson, 2023).
What Aftercare Practices Are Essential for Maintaining Ash Brown Color?
To maintain ash brown color, essential aftercare practices include specific washing techniques, product selection, and regular treatments.
- Use sulfate-free shampoo
- Apply color-safe conditioner
- Limit heat styling tools
- Schedule regular deep conditioning treatments
- Reduce sun exposure
- Use purple shampoo to counteract warm tones
Understanding these practices is crucial for preserving the vibrancy and longevity of ash brown hair color.
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Use Sulfate-Free Shampoo: Using a sulfate-free shampoo helps maintain ash brown hair color. Sulfates are harsh detergents that can strip hair of its natural oils and color. According to a study by the International Journal of Trichology (Kore, 2013), sulfate-free shampoos help preserve hair dye by reducing color loss during washing. Many brands like SheaMoisture and Pureology offer sulfate-free options that gently clean the hair without damaging the color.
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Apply Color-Safe Conditioner: A color-safe conditioner is essential for ash brown hair. This type of conditioner enhances shine while replenishing moisture. Research from the Journal of Cosmetic Dermatology (2018) found that conditioners designed for color-treated hair significantly improve hair texture and moisture retention. Look for ingredients such as argan oil or keratin to nourish your hair while maintaining your color.
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Limit Heat Styling Tools: Limiting the use of heat styling tools is imperative to protect ash brown color. High temperatures can lead to color fading and damage. Hair professionals recommend avoiding styling tools above 350°F. According to a report from the American Academy of Dermatology (AAD), heat damage can lead to color loss and dryness over time, as heated tools alter the hair structure.
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Schedule Regular Deep Conditioning Treatments: Regular deep conditioning treatments help keep ash brown color vibrant. These treatments penetrate the hair shaft, repairing damage and locking in moisture. A 2020 study published in the Journal of Cosmetic Science indicated that weekly deep conditioning can significantly improve color retention and hair shine. Products like Olaplex No. 3 are popular for their restorative properties.
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Reduce Sun Exposure: Reducing sun exposure protects ash brown hair from color fading. UV rays can break down hair color molecules, leading to unwanted warmth. The Skin Cancer Foundation (2021) notes that wearing hats or using products with UV protection can help shield hair from harmful rays, preserving color vibrancy.
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Use Purple Shampoo to Counteract Warm Tones: Purple shampoo is beneficial for maintaining ash brown hair color by neutralizing unwanted yellow or warm tones. This type of shampoo contains purple pigments that balance out warm hues. A study by the International Journal of Cosmetic Science (2019) confirmed its effectiveness, showing noticeable results in color correction. Brands like Fanola and Bed Head have purple shampoos specifically designed for this purpose.