bust your brass
toning + strength repair mask

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4.9
Rated 4.9 out of 5 stars
520 Reviews
a salon service in a jar. tone, strengthen + hydrate all in one ultra-violet lather.
‏‏‎ ‎ 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
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4.9
Rated 4.9 out of 5 stars
Based on 520 reviews
Reviews Summary
Customers say: this hair mask effectively brightens and softens their blonde hair. Many reviews mention it successfully reduces brassiness while leaving hair feeling smooth and manageable. The mask delivers noticeable results in just one use, with users noting it helps maintain their desired tone between salon visits. While most find it deeply conditioning, some mention it can feel heavy. The fragrance receives widespread praise. A few users report limited effectiveness in toning their hair.
520 reviews
  • MB
    Megan B.
    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) Yes
    Rated 5 out of 5 stars
    3/12/26
    Love bust your brass

    I have tried several toning products throughout the years and this one is great. I love that it both tones and is a mask as many toning shampoos end of just drying out your hair. This one helps to tone while also conditioning and does not leave your hair greasy.

  • TP
    Trevor P.
    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
    3/3/26
    Perfect!

    As a blondie, this line is AMAZING for my hair!! 10/10

  • LF
    Lauren F.
    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
    3/1/26
    Love this mask

    I’ve used Amika cool blonde products for years. It’s the best for keeping the brass out of my bayalage highlights to make them last. This mask is great for every now and then to help tone and strengthen my fine and straight highlighted hair

  • MQ
    Morgan Q.
    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) Yes
    Rated 5 out of 5 stars
    2/20/26
    LOVE!!!

    My hair is so soft

  • HV
    Hannah v. H.
    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
    2/17/26
    Mask

    Tones my brassy look