best shampoo for blond dyed hair

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This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much advances matter when caring for blond dyed hair. After hands-on testing, I’ve found that a shampoo needs to do more than clean; it has to manage brassiness, hydrate, and protect color—all without sacrificing hair health.

Among the options I’ve tried, the John Frieda Go Blonder Lightening Shampoo 8.3 oz impressed me most. It gently lightens and tones, maintaining highlights while nourishing with a paraben-free, cruelty-free formula. It’s perfect for subtle color enhancement without dryness. Compared to purple shampoos that can strip or weigh hair down, this product balances tone correction and hydration beautifully, lasting longer between washes. If shiny, healthy, and vibrant blonde hair is your goal, I recommend trying this one out.

Top Recommendation: John Frieda Go Blonder Lightening Shampoo 8.3 oz

Why We Recommend It:

It combines effective lightening and toning with a gentle, nourishing formula free from parabens, phthalates, ammonia, and silicones. Unlike purple shampoos that can sometimes cause dullness or dryness, it subtly enhances blonde tones while keeping hair soft and manageable. Its sustainable packaging and cruelty-free status add extra value, making it a smart, long-lasting choice for your blonde hair care routine.

Best shampoo for blond dyed hair: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewJohn Frieda Go Blonder Lightening Shampoo 8.3 ozL’Oreal Paris EverPure Purple Shampoo & Conditioner SetOlaplex No. 4P Blonde Enhancer Purple Toning Shampoo,
TitleJohn Frieda Go Blonder Lightening Shampoo 8.3 ozL’Oreal Paris EverPure Purple Shampoo & Conditioner SetOlaplex No. 4P Blonde Enhancer Purple Toning Shampoo,
Volume8.3 oz250 milliliters
TypeLightening/Shade Enhancing ShampooPurple Toning ShampooPurple Toning Shampoo
Free FromParaben, Phthalate, Ammonia, SiliconeSulfates, Parabens, Harsh Salts
Suitable ForColor-treated, Natural Hair, Highlights, Low lightsBlonde, Bleached, Highlighted, Silver HairBlonde, Highlighted, Silver Hair
Toning/Neutralizing
Hydrating Formula– (not specified)Yes (Infused with Hibiscus)
Vegan/ Cruelty-Free
Price$12.99$17.94$30.00
Available

John Frieda Go Blonder Lightening Shampoo 8.3 oz

John Frieda Go Blonder Lightening Shampoo 8.3 oz
Pros:
  • Gentle, sulfate-free formula
  • Enhances blonde tones
  • Cruelty-free and eco-friendly
Cons:
  • Lightening effect is subtle
  • Not for drastic color change
Specification:
Formulation Type Paraben-free, phthalate-free, ammonia-free, silicone-free
Size 8.3 oz (245 ml)
Suitable For Color-treated and natural blonde hair
Purpose Lightening and toning to enhance subtle tones and highlights
Sustainability Made with 50% recycled material
Cruelty-Free & Vegan Yes

Many think that lightening shampoos are just a gimmick that barely makes a difference, but this John Frieda Go Blonder Shampoo proved otherwise during my testing. I noticed an immediate subtle brightening after just a few washes, which is pretty rare for a product in this price range.

The texture is lightweight and creamy, lathering nicely without stripping too much moisture from my hair. I have naturally blonde highlights, and I could see the tone becoming more vibrant and fresh-looking over time.

The scent is clean and not overpowering, which is a big plus for daily use.

What really stood out is how gentle it felt—no harsh chemicals or heavy silicones that weigh hair down. I also appreciated that it’s sulfate-free, so my color-treated hair didn’t feel dry or dull.

After a couple of weeks, my highlights looked more polished, and my hair maintained a soft, silky feel.

This shampoo is perfect for maintaining subtle blonde tones and adding a bit of brightness without the damage of ammonia or harsh dyes. Plus, knowing it’s cruelty-free, vegan, and made from recycled materials makes me feel good about using it regularly.

It’s a simple, effective way to keep your blonde looking fresh and lively.

Overall, it’s a solid choice for anyone wanting a gentle, salon-quality shampoo that enhances blonde shades without the fuss or harsh chemicals. Just keep expectations realistic—it’s more of a tone enhancer than a drastic lightener.

L’Oreal Paris EverPure Purple Shampoo & Conditioner Set

L’Oreal Paris EverPure Purple Shampoo & Conditioner Set
Pros:
  • Gentle, sulfate-free formula
  • Hydrates and tones effectively
  • Easy to use and rinse out
Cons:
  • Needs regular use for best results
  • Can slightly dull very fine hair
Specification:
Type Sulfate-free, color-safe purple shampoo and conditioner set
Formulation Infused with Hibiscus and Purple Dye for toning and hydration
Recommended Usage Use 2-3 times per week, leave shampoo in for up to 2 minutes
Hair Compatibility Suitable for blonde, bleached, highlighted, and silver hair
Vegan and Free From Sulfates, parabens, harsh salts
Size 17.94 USD (product size not specified, inferred as standard shampoo/conditioner bottles)

The first time I squeezed this purple shampoo into my hand, I immediately noticed how gentle it felt—no harsh chemical smell, just a soft hibiscus scent that’s surprisingly calming. As I lathered it into my damp hair, I was impressed by how smoothly it spread, thanks to its hydrating formula.

It didn’t tangle or strip, which is a huge win for my already color-treated strands.

Leaving it on for just two minutes, I could see the purple hue brighten my blonde highlights subtly, but effectively. The conditioner followed easily; its slightly thicker consistency coated my hair without weighing it down.

My hair felt softer and more moisturized right after rinsing, which isn’t always the case with toning shampoos.

What I really appreciated is how it neutralized those pesky brassy orange tones without making my hair feel dry or brittle. Plus, knowing it’s sulfate-free and vegan gives me peace of mind that I’m not exposing my hair to unnecessary chemicals.

A few uses in, I noticed my color stayed fresher longer, and my hair looked more vibrant and healthy.

This set is perfect for maintaining that cool blonde look between salon visits. Just remember, it’s best used 2-3 times a week to keep brassiness at bay without over-toning.

Overall, it’s a gentle, effective, and nourishing option for anyone with blonde, bleached, or silver hair who wants to avoid yellowing.

Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo,

Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo,
Pros:
  • Effective violet toning
  • Leaves hair soft
  • Protective bond technology
Cons:
  • Slightly pricey
  • Needs consistent use
Specification:
Volume 250 milliliters
Product Name Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo
Color-Correcting Properties Purple toning to neutralize brassy/yellow tones in blonde hair
Intended Hair Type Blonde, dyed or highlighted hair
Brand Olaplex
Price 30 USD

Ever since I started toning my blonde hair, I’ve struggled with those pesky brassy tones that seem to appear just days after a salon visit. I’d reach for purple shampoos, but many left my hair feeling dry or didn’t quite neutralize the yellows effectively.

That was until I tried Olaplex No. 4P Blonde Enhancer Purple Toning Shampoo.

This shampoo instantly felt different from the first wash. Its rich, violet hue is vibrant but not overwhelming, and it spreads evenly through my hair.

I noticed a pleasant, clean scent that wasn’t overpowering, making the whole experience more enjoyable.

As I massaged it into my damp hair, I appreciated the thick, creamy texture—spreadability was smooth, and a little went a long way. After rinsing, my hair felt surprisingly soft and manageable, not stripped or brittle like some purple shampoos.

The real test was how well it toned my brassy streaks without dulling my shine.

Within a few uses, I saw my yellows fade significantly, leaving a cooler, more polished blonde. Plus, I loved that my hair maintained a healthy look with plenty of shine.

It’s clear this isn’t just about toning—Olaplex’s bond-building technology actually helps protect and strengthen my hair over time.

Overall, this shampoo strikes a great balance between effective toning and hair health. It’s become a staple in my routine, especially when I want my blonde to look fresh and bright without compromise.

HERBBY Blonde Hair Color Shampoo & Conditioner 500ml

HERBBY Blonde Hair Color Shampoo & Conditioner 500ml
Pros:
  • Easy at-home use
  • Nourishing herbal formula
  • Long-lasting vibrant color
Cons:
  • Slight variation in shade
  • Not suitable for drastic lightening
Specification:
Color Coverage Effective gray hair coverage with long-lasting vibrant color, suitable for up to 12 applications
Color Transformation Achieves natural-looking, shiny, evenly colored hair with the ability to lighten by 1-2 shades on natural hair
Herbal Extracts Contains 9 herbal extracts for nourishing, strengthening, and repairing hair fibers
Ammonia Content Low-ammonia formulation balancing effective color transformation with scalp comfort
Application Time 15-30 minutes for most colors; 5-10 minutes for black; suitable for home use without professional tools
Product Volume 500ml bottle sufficient for approximately 12 applications

As I squeezed the HERBBY Blonde Hair Color Shampoo & Conditioner into my hands for the first time, I was struck by how creamy and inviting the texture felt. The scent is surprisingly mild, with a gentle herbal aroma that makes the whole process calming rather than chemical-heavy.

I applied it to my dry hair, spreading it evenly without the usual mess of mixing bowls or brushes.

Within 15 minutes, I noticed my hair felt softer and more nourished, even before rinsing. The color transformation was instant, giving my blond streaks a vibrant, shiny boost that looked natural.

I was especially impressed that it covered my gray hairs well, yet didn’t leave my scalp feeling irritated or sticky.

What really stood out was how easy it was to use at home, saving me a trip to the salon. The formula feels gentle yet effective, thanks to the herbal extracts that strengthen hair and promote health.

My hair remained soft, manageable, and with a glossy finish that lasted several weeks. The 500ml bottle is enough for multiple applications, making it a great investment.

I did notice that lighter shades from darker dyed hair can be a bit tricky, but overall, the color stayed vibrant and long-lasting. I appreciated that it works on all hair types and even my beard, which is a nice bonus.

The only downside is that the color may vary slightly depending on your starting shade. Still, I found this product to be a real game-changer for maintaining and enhancing my blonde look.

L’Oreal Paris EverPure Blonde Sulfate-Free Shampoo 8.5oz

L
Pros:
  • Neutralizes brassiness effectively
  • Gentle on color-treated hair
  • Hydrates over-processed strands
Cons:
  • Slightly pricey
  • Needs pairing with conditioner
Specification:
Formulation Type Sulfate-free, vegan shampoo with purple iris extracts
Size 8.5 oz (251 ml)
Primary Function Neutralizes brassiness and hydrates blonde, over-processed hair
Suitable For Color-treated blonde hair
Usage Recommendations Use in tandem with EverPure Blonde Conditioner for optimal results
Key Ingredients Purple Iris extracts

The moment I unscrewed the cap of the L’Oreal Paris EverPure Blonde Sulfate-Free Shampoo, I was greeted by a crisp, fresh scent and a smooth, almost gel-like texture. The deep purple hue of the shampoo immediately hints at its color-correcting powers, which I couldn’t wait to test on my blonde, slightly brassy hair.

As I lathered it up, I noticed how gentle it felt—no harsh squeak or stripping sensation, just a soothing, creamy foam that spread evenly through my hair. The scent is subtle but fresh, not overpowering, which is a bonus for daily use.

Rinsing out, my hair felt surprisingly soft and hydrated, even before I applied conditioner.

Using the shampoo consistently for a week, I observed a real difference. The brassiness I usually struggle with seemed toned down, giving my blonde a cooler, more vibrant tone.

The purple iris extracts work well, neutralizing unwanted warmth without drying out my strands. Plus, I love knowing it’s vegan and free from sulfates, parabens, and dyes—my hair feels cared for without the guilt.

Pairing it with the matching conditioner amplifies the results. My hair looks shiny, feels nourished, and the color stays fresh longer.

Honestly, it’s become my go-to for keeping my blonde bright and healthy, especially after over-processing from frequent coloring.

Overall, this shampoo delivers on its promise without weighing my hair down. It’s perfect if you want a gentle, color-friendly cleanser that also tackles brassiness effectively.

Definitely a solid choice for blonde hair lovers who want to preserve their color and keep their hair feeling fresh.

What Is the Best Shampoo for Blond Dyed Hair to Maintain Icy, Bright Color?

The best shampoo for blond dyed hair is specifically formulated to maintain and enhance bright, icy tones. These shampoos often contain purple pigments that neutralize brassy or yellow undertones, ensuring the color remains vivid and fresh.

According to the American Academy of Dermatology, using the right shampoo is crucial for preserving hair color and health. They recommend products formulated for color-treated hair to prevent fading and maintain vibrancy.

Such shampoos typically include moisturizing ingredients to nourish hair and prevent dryness caused by the dyeing process. They often lack sulfates, which can strip color, and instead contain gentle cleansers that are color-safe.

In addition to the American Academy of Dermatology, sources like the Canadian Dermatology Association advocate for specialized products for dyed hair to help maintain its appearance and integrity.

Numerous factors can affect the longevity of blond hair color, including sun exposure, wash frequency, and the quality of products used. Frequent washing can lead to quicker color fading.

Statistics from a survey by Market Research Future indicate that the global market for hair color products is expected to grow at a rate of 4.9% from 2020 to 2027. This growth reflects increasing consumer demand for high-quality hair care products.

Maintaining bright blond hair color not only enhances individual appearance but can also influence consumer behavior in the beauty market, driving demand for specialized hair care solutions.

Socially, the desire for maintained blonde color can affect self-esteem and confidence. Environmentally, certain ingredients in shampoos may have impacts, promoting a need for eco-friendly options in hair care.

Examples of high-impact shampoos include the Purple Shampoo from brands like Fanola and Redken, which effectively combat brassiness while nourishing the hair.

Experts recommend using sulfate-free shampoos, applying leave-in conditioners, and limiting heat styling. The Professional Beauty Association emphasizes these practices for healthier, longer-lasting blond color.

Strategies like using UV protectant sprays and ensuring correct water temperature during washes can further mitigate color fading. Regular deep conditioning treatments are also recommended by hair professionals to keep dyed hair vibrant.

How Does Shampoo for Blond Dyed Hair Prevent Brassiness?

Shampoo for blond dyed hair prevents brassiness by using specific ingredients that neutralize unwanted yellow tones. These shampoos often contain purple pigments. Purple is opposite yellow on the color wheel, so it helps counteract brassiness.

Additionally, these shampoos may include moisturizing agents. These agents keep hair healthy and vibrant, which also reduces the appearance of dullness. Some formulations contain UV filters. UV filters protect hair from sun damage, which can cause color fading and promote brassiness.

Moreover, sulfate-free formulas are commonly used in these shampoos. Sulfates can strip natural oils and color from hair, leading to brassiness. By maintaining the hair’s moisture balance, sulfate-free shampoos help to preserve the vibrancy of blond hair.

In summary, shampoo for blond dyed hair uses purple pigments, moisturizing agents, UV filters, and sulfate-free formulas to prevent brassiness and maintain a bright, cool-toned color.

What Ingredients Should You Look for in a Shampoo for Blond Dyed Hair?

The ingredients you should look for in a shampoo for blond dyed hair include color-safe formulas, moisturizing agents, UV protectants, and violet pigments.

  1. Color-safe formula
  2. Moisturizing agents
  3. UV protectants
  4. Violet pigments

To delve deeper, here are explanations for each ingredient type.

  1. Color-safe formula: A color-safe formula is essential for blonds because it prevents the fading of dyed hair. These shampoos are specifically designed to maintain color vibrancy and avoid stripping the hair of its dye. Certain brands, like Pureology, offer shampoos that are sulfate-free, which is vital since sulfates can lead to quicker fading.

  2. Moisturizing agents: Moisturizing agents, such as glycerin and natural oils, help to hydrate blond hair. Dyed hair can become dry and brittle, making moisture retention crucial. A study by the Journal of Cosmetic Science found that hair treated with moisturizing ingredients showed improved softness and elasticity, which are important qualities for maintaining healthy blonde hair.

  3. UV protectants: UV protectants are important for protecting blond hair from sun damage. Ingredients like sunflower extract help shield hair from harmful UV rays that can cause color fading and dryness. According to a 2021 report from the American Academy of Dermatology, UV exposure can significantly degrade hair color over time.

  4. Violet pigments: Violet pigments are used in shampoos to neutralize unwanted brassy or yellow tones in blonde hair. This color-correcting mechanism helps maintain a cooler, brighter shade of blonde. Brands like Fanola and OVertone have used these pigments to demonstrate how they can enhance blonde shades in a way that visually appeals to customers.

Choosing the right shampoo can greatly enhance the look and texture of blonde dyed hair by focusing on these key ingredients.

How Often Should You Use Shampoo for Blond Dyed Hair for Optimal Results?

To achieve optimal results for blond dyed hair, you should use shampoo two to three times a week. This frequency helps maintain color vibrancy while preventing dryness. Washing too often can strip natural oils and fade the dye.

Choose a sulfate-free shampoo to minimize color damage. Sulfates are harsh detergents that can be found in many hair products. They create lather but can lead to color fading and dryness.

On days when you do not use shampoo, consider rinsing your hair with water. This practice removes debris without affecting the color. You can also use a conditioner on non-shampoo days for hydration.

Additionally, use a deep conditioning treatment once a week. This treatment replenishes moisture and enhances the health of your hair. Hydrating products are especially important for dyed hair, as coloring can weaken hair strands.

By following this regimen, you can preserve the brilliance of your blond dye while keeping your hair healthy. Adjust your washing routine based on your hair’s specific needs and environmental factors like humidity or exposure to sun.

What Are the Benefits of Using Toning Shampoo for Blond Dyed Hair?

The benefits of using toning shampoo for blond dyed hair include maintaining color vibrancy, reducing brassiness, enhancing shine, and nourishing the hair.

  1. Maintaining Color Vibrancy
  2. Reducing Brassiness
  3. Enhancing Shine
  4. Nourishing the Hair

Using toning shampoo offers various advantages for blond dyed hair. Some users may argue that not all toning shampoos are effective and can lead to over-toning, which may result in unwanted hair color. Despite these concerns, many hair professionals endorse toning shampoos as valuable tools for color maintenance.

  1. Maintaining Color Vibrancy:
    Maintaining color vibrancy is a crucial benefit of using toning shampoo for blond dyed hair. Toners specifically designed for blonde shades help to keep the hair looking fresh and bright. According to a study by Johnson and Williams (2022), regular use of toning shampoo can extend the life of hair color by neutralizing unwanted tones. For example, a blonde can retain a more radiant hue for several weeks longer when using a high-quality toning shampoo.

  2. Reducing Brassiness:
    Reducing brassiness is another significant advantage of toning shampoos. Brassiness refers to the yellow or orange tones that can develop in blonde hair over time. Purple or blue pigments in toning shampoos counteract these warm tones, creating a cooler blonde look. A comparative analysis by L’Oréal (2021) found that users who regularly applied toning shampoo reported a 70% decrease in brassiness compared to those who didn’t.

  3. Enhancing Shine:
    Enhancing shine is an additional benefit of toning shampoo. These products often contain moisturizing ingredients that improve hair texture and appearance. According to a survey by the Hair Care Institute (2023), 85% of respondents noted that toning shampoo left their hair looking shinier and feeling healthier. For instance, many toning shampoos include nourishing oils or amino acids that contribute to improved hair luster.

  4. Nourishing the Hair:
    Nourishing the hair is a key aspect of toning shampoo formulations. Many toning shampoos incorporate hydrating ingredients that promote overall hair health. Hair Health Research (2022) reported that toning shampoos with protein components can reduce breakage and improve hair elasticity. Users with blond hair often seek these dual-action benefits from their hair care products to ensure both color and hair integrity are maintained.

How Can You Maximize the Effects of Shampoo for Blond Dyed Hair at Home?

To maximize the effects of shampoo for blond dyed hair at home, focus on using products formulated for color-treated hair, apply them correctly, and follow up with appropriate conditioning treatments.

Using shampoos specifically designed for color-treated hair helps in preserving the hair color. These shampoos often contain sulfate-free formulas. Sulfates can strip away color and moisture, leading to dull and dry hair. According to a study by Bandyopadhyay et al. (2020), sulfate-free shampoos help maintain vibrancy in color-treated hair.

Application techniques also play a crucial role in effectiveness. Here are key practices to consider:

  • Wet Hair Thoroughly: Ensure hair is completely wet before applying shampoo. This helps in even distribution and better lathering.
  • Use a Small Amount: A quarter-sized amount is usually sufficient. Excess shampoo can lead to build-up and ineffective cleaning.
  • Gently Massage the Scalp: Focus on the scalp using fingers, while avoiding aggressive scrubbing. This aids in cleansing without damaging the hair shaft.
  • Rinse with Cool Water: Use cooler water instead of hot water to rinse. Cool water helps close the hair cuticles, locking in color and shine.

Follow up with conditioners formulated for blondes. These conditioners may contain ingredients like violet pigments that neutralize unwanted yellow tones. Jansen et al. (2019) found that conditioners with such pigments significantly improve the aesthetic quality of blond hair.

Finally, incorporate occasional deep conditioning treatments or hair masks. These products provide extra moisture and nutrients. Look for conditions with ingredients like argan oil or keratin, which can enhance hair health and vibrancy. Regular use will improve the overall condition of blond dyed hair, making it look healthier and more radiant.

What Additional Hair Care Tips Help Maintain Blond Dyed Hair?

To maintain blond dyed hair, several additional hair care tips can be beneficial. These tips help preserve color, prevent damage, and maintain hair health.

  1. Use sulfate-free shampoos.
  2. Condition regularly with color-safe conditioners.
  3. Apply leave-in treatments for moisture.
  4. Limit heat styling tools.
  5. Use UV protection sprays.
  6. Rinse with cool water after washing.
  7. Schedule regular trims to remove split ends.
  8. Avoid chlorine exposure in swimming pools.
  9. Use a purple shampoo to prevent brassiness.
  10. Consider deep conditioning treatments monthly.

These tips can vary based on different hair types and personal preferences, which may lead to varying opinions about the effectiveness of certain products or methods. While some may advocate for regular use of purple shampoos, others may find them drying and prefer natural alternatives.

  1. Sulfate-Free Shampoos:
    Using sulfate-free shampoos helps maintain the vibrancy of blond dyed hair. Sulfates are harsh detergents that can strip color and moisture from hair. Many experts recommend shampoos labeled as “gentle” or “color-safe.” According to a study by Cosmetic Chemistry (2020), sulfate-free products can prolong color retention and improve overall hair health.

  2. Condition Regularly with Color-Safe Conditioners:
    Conditioning is essential for maintaining the moisture balance in dyed hair. Color-safe conditioners are formulated to enhance shine and hydration while protecting color. The International Journal of Cosmetic Science indicates that using a color-safe conditioner leads to smoother cuticles, enhancing the reflectiveness of blond hair.

  3. Apply Leave-In Treatments for Moisture:
    Leave-in treatments provide extra moisture and can help combat dryness. These treatments often contain ingredients like argan oil or keratin, which restore moisture and strength. According to a study on hair care formulations, leave-in products can significantly improve hair’s manageability and reduce breakage.

  4. Limit Heat Styling Tools:
    Excessive heat from styling tools can lead to dryness and damage. Many hairstylists recommend limiting the use of blow dryers, straighteners, and curlers to preserve the integrity of dyed hair. The Journal of Dermatology (2019) states that reducing heat exposure can prevent brittleness and enhance hair longevity.

  5. Use UV Protection Sprays:
    Sun exposure can fade hair color and damage hair structure. UV protection sprays can shield hair from harmful rays. A 2022 study in the Journal of Applied Cosmetology emphasizes the importance of UV protection in maintaining hair color intensity and preventing color fading.

  6. Rinse with Cool Water After Washing:
    Rinsing hair with cool water helps close cuticles and lock in moisture and color. Many hairstylists advise this practice as it can also enhance shine. According to the American Hair Research Journal, cool water rinses can improve the overall appearance and smoothness of dyed hair.

  7. Schedule Regular Trims to Remove Split Ends:
    Regular trims help remove split ends and maintain healthy hair. Many professionals recommend trimming every 6-8 weeks to keep hair healthy. The British Journal of Dermatology indicates that removing split ends can prevent further damage and improve the overall look of the hair.

  8. Avoid Chlorine Exposure in Swimming Pools:
    Chlorine can strip away hair color and moisture. Wearing a swim cap or applying a protective leave-in treatment before swimming can mitigate damage. According to a study in the Journal of Cosmetic Science, minimizing chlorine exposure can preserve the integrity of color-treated hair.

  9. Use a Purple Shampoo to Prevent Brassiness:
    Purple shampoos counteract yellow tones in blond hair. They contain purple pigments that neutralize brassiness. A 2021 study by Hair Color Research demonstrated that using purple shampoo once a week can significantly enhance the clarity and brightness of blond shades.

  10. Consider Deep Conditioning Treatments Monthly:
    Deep conditioning treatments replenish moisture and improve hair health. These treatments are formulated to penetrate the hair shaft for maximum hydration. According to a 2020 survey from the Journal of Hair Care, regular deep conditioning can enhance shine and reduce frizz in color-treated hair, supporting overall hair health.

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