bust your brass
cool blonde strength repair shampoo

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4.9
Rated 4.9 out of 5 stars
1,016 Reviews
a blondes' best kept secret. cleanse + tone brassy hues while strengthening strands.
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ AMIKA IN ACTION WATCH AND LEARN
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ MEET MY SQUAD PRODUCTS I WORK WELL WITH
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
‏‏‎ ‎ CHECK OUT THE STRAND FOR OUR LATEST TIPS AND TRICKS
The Strand
‏‏‎ ‎ HERE'S THE 411
‏‏‎ ‎ HERE'S THE 411
‏‏‎ ‎ HERE'S THE 411
‏‏‎ ‎ HERE'S THE 411
‏‏‎ ‎ HERE'S THE 411
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‏‏‎ ‎ HERE'S THE 411
4.9
Rated 4.9 out of 5 stars
Based on 1,016 reviews
Reviews Summary
customers say: this shampoo effectively maintains their blonde and gray hair tones. Many users note how it keeps their hair soft and manageable while controlling unwanted brassiness. The pleasant fragrance receives frequent mentions. While most use it weekly or bi-weekly, some prefer it for daily use. A few mention it works particularly well for maintaining natural gray hair's brightness. The formula leaves hair feeling clean without drying effects.
customers talked about
1,016 reviews
  • AU
    Amy U.
    Verified Buyer
    I recommend this product
    What is your hair type? straight (1a-c)
    Was this review incentivized? I received something in exchange for this post (free product, payment, sweeps entry) No
    Rated 5 out of 5 stars
    10/4/26
    Favorite

    Favorite shampoo!

  • G
    Grace
    Verified Reviewer
    I recommend this product
    What is your hair type? wavy (2a-c)
    Was this review incentivized? I received something in exchange for this post (free product, payment, sweeps entry) No
    Rated 5 out of 5 stars
    9/28/26
    The only purple shampoo I will use! LOVE it!

    I always struggle with keeping my blonde hair from going brassy due to hard water but, since using the Amika Bust your Brass purple shampoo I have noticed my blonde staying lighter, and brighter for longer!

  • AJ
    Amanda J.
    Verified Buyer
    I recommend this product
    What is your hair type? straight (1a-c)
    Was this review incentivized? I received something in exchange for this post (free product, payment, sweeps entry) No
    Rated 5 out of 5 stars
    9/26/26
    Love this shampoo!

    I just got this shampoo. I noticed a difference in my blonde in just the first use, i am excited to see how well it tones after a few uses. A bonus is it smells amazing!! It is my new fav shampoo!

  • CT
    Casey T.
    Verified Buyer
    I recommend this product
    What is your hair type? wavy (2a-c)
    Was this review incentivized? I received something in exchange for this post (free product, payment, sweeps entry) No
    Rated 5 out of 5 stars
    9/14/26
    Shampoo

    Smells great and works even better!

  • BW
    Brittney W.
    Verified Buyer
    I recommend this product
    What is your hair type? straight (1a-c)
    Was this review incentivized? I received something in exchange for this post (free product, payment, sweeps entry) No
    Rated 5 out of 5 stars
    9/11/26
    Tones perfect!

    Leaves my blonde looking gorgeous!