professional haircare and tools for your hair type | amika

bust your brass | toning + strength repair mask

bust your brass | toning + strength repair mask - Main image
$22 $44 In stock

Category: masks

a salon service in a jar. tone, strengthen + hydrate all in one ultra-violet lather.

what is bust your brass toning + strength repair mask?

a salon service in a jar. this ultra-luxe toning treatment is clinically proven to strengthen + hydrate damaged hair + help bring blonde, silver + gray back to life.
who it's for

all blondes, silvers + grays 1–4c looking to cool warm tones


why it's special

bring blonde back to life. packed with bond fortifying technology, plant butters, vegan protein, and ultra-violet pigments-- for your strongest + brightest mane yet!

  • the proof is in our claims - bust your brass toning + strength mask is clinically proven to significantly brighten, hydrate + strengthen, resulting in hair that is 8x more conditioned, 2.2x stronger + with 56% less breakage.*
  • safe for strands: clinically proven to be safe for color-treated hair.**

*clinically proven results, after one use.

**clinically tested when shampoo + conditioner are used as a system.

  • ultra-hydration - this luxurious mask is packed with 3 different types of plant butters and adds a healthy dose of moisture to dry strands.
  • tones brassiness - counteract any yellow, unwanted brassy hues for an icy blonde, silver or gray.
  • strengthens + reduces breakage while also helping to prevent future damage.


ingredients

key ingredients
  • bond fortifying technology: helps target + strengthen the bonds in hair most prone to breakage due to environmental stressors, heat, chemical treatments, + more.

  • plant butters: vitamin-rich mango butter, borage oil + shea butter.

  • vegan proteins: derived from quinoa + provide keratin-like benefits.

  • ultra-violet pigments: counteract yellow + brassy tones to bring out the best shades of blonde, silver + gray.


full ingredients
Water/Eau/Aqua, Cetearyl Alcohol, Dimethicone, Isopropyl Myristate, Behentrimonium Chloride*, Cetyl Alcohol, Glycerin, Cetrimonium Chloride*, Hippophae Rhamnoides (Sea Buckthorn/Argousier) Fruit/Seed Oil, Borago Officinalis (Borage/Bourrache) Seed Oil, Mangifera Indica (Mango/Mangue) Seed Butter, Butyrospermum Parkii (Shea/Karite) Butter, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Hydrolyzed Quinoa, Panthenol, Tocopheryl Acetate, Bis-PCA Dimethicone, Disodium PEG-12 Dimethicone Sulfosuccinate, Ethylhexylglycerin, Butylene Glycol, Aminomethyl Propanol, Caesalpinia Spinosa Gum, Chlorphenesin, Benzyl Alcohol, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Citric Acid, Isopropyl Alcohol, Fragrance/Parfum, Benzyl Benzoate, Hydroxycitronellal, Limonene, Ext. Violet 2 (CI 60730) *antistatic agent/agent antistatique
please be aware that ingredient lists may change or vary from time to time. to confirm that an amika product is suitable for your personal use, please reference the list of ingredients that is included on your product packaging.


how to use

  • massage through wet hair.

  • rinse.

clinically tested results

  • the proof is in our claims - bust your brass toning + strength mask is clinically proven to significantly brighten, hydrate + strengthen, resulting in hair that is 8x more conditioned, 2.2x stronger + with 56% less breakage.*
  • safe for strands: clinically proven to be safe for color-treated hair.**

*clinically proven results, after one use.

**clinically tested when shampoo + conditioner are used as a system.

how to use?

bust your brass routines by blonde type infographic
how-to get your strongest + iciest mane:

please note: we suggest applying the bust your brass products on a test strip of hair at the nape of the neck before settling on a routine.

customize your bust your brass routine!

if you are a natural (non-color treated) blonde:

  • in the summer months (when hair is more likely to become brassy), use the bust your brass shampoo + conditioner every other wash.
  • use the bust your brass repair mask 1x per week in place of conditioner.

if you are a platinum blonde:

  • to maintain tone, use bust your brass shampoo + conditioner every other wash.
  • we suggest alternating bust your brass shampoo + conditioner with the kure shampoo + conditioner and multi-task repair treatment.
  • use bust your brass repair mask 1x per week in place of conditioner.
  • if you notice pesky brassiness pop up, use the bust your brass system every wash until desired tone is reached.
  • keep track of your tone: if you're loving your tone, keep up your routine as is. if you notice brassiness peeking in, increase use the bust your brass mask an additional time per week. if you are a little too cool-toned and nearing a violet tone, cut back on the bust your brass routine for a week or two.

if you have highlights, a balayage, or natural-looking (color-treated) blonde hair:

  • use bust your brass shampoo + conditioner every other wash.
  • assess hair's tone and pivot (increase or decrease usage) as needed.
  • those with naturally dark hair should use the bust your brass intense repair mask 1x per week in place of conditioner.
  • please note: naturally darker or brunette hair will fight to return to natural hair color; in this case, increase the usage of system.

if you have gray hair:

  • use bust your brass shampoo + mask every wash or alternate every other wash with the kure collection.

if you are a textured blonde:

  • follow the regimen suggested above based on type of blonde, but use the bust your brass repair mask in place of conditioner for an extra dose of moisture. the bust your brass repair mask is the perfect mix of toning, moisture, and repair which is just what a textured blonde needs.
safety information:

avoid contact with eyes.

ingredients

key ingredients
  • bond fortifying technology: helps target + strengthen the bonds in hair most prone to breakage due to environmental stressors, heat, chemical treatments, + more.
  • plant butters – includes three plant butters: mango butter extract which is packed with omegas and vitamins a, c, and e, omega-6 fatty acid-rich borage oil, and shea butter that’s loaded with vitamins, minerals, and five principle fatty acids
  • vegan proteins- derived from quinoa, vegan proteins are made up of essential amino acids which can provide keratin-like benefits from a plant source.
  • ultra-violet pigments – counteract yellow and brassy tones to bring out the best shades of blonde, silver, and gray.
  • *this product does not contain any direct gluten contributing ingredients. if you have allergies or sensitivities, please consult your doctor
full ingredients

Water/Eau/Aqua, Cetearyl Alcohol, Dimethicone, Isopropyl Myristate, Behentrimonium Chloride*, Cetyl Alcohol, Glycerin, Cetrimonium Chloride*, Hippophae Rhamnoides (Sea Buckthorn/Argousier) Fruit/Seed Oil, Borago Officinalis (Borage/Bourrache) Seed Oil, Mangifera Indica (Mango/Mangue) Seed Butter, Butyrospermum Parkii (Shea/Karite) Butter, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Hydrolyzed Quinoa, Panthenol, Tocopheryl Acetate, Bis-PCA Dimethicone, Disodium PEG-12 Dimethicone Sulfosuccinate, Ethylhexylglycerin, Butylene Glycol, Aminomethyl Propanol, Caesalpinia Spinosa Gum, Chlorphenesin, Benzyl Alcohol, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Citric Acid, Isopropyl Alcohol, Fragrance/Parfum, Benzyl Benzoate, Hydroxycitronellal, Limonene, Ext. Violet 2 (CI 60730) *antistatic agent/agent antistatique

learn more about our ingredients here

please be aware that ingredient lists may change or vary from time to time. to confirm that an amika product is suitable for your personal use, please reference the list of ingredients that is included on your product packaging.

key ingredients
  • bond fortifying technology: helps target + strengthen the bonds in hair most prone to breakage due to environmental stressors, heat, chemical treatments, + more.
  • plant butters – includes three plant butters: mango butter extract which is packed with omegas and vitamins a, c, and e, omega-6 fatty acid-rich borage oil, and shea butter that’s loaded with vitamins, minerals, and five principle fatty acids
  • vegan proteins- derived from quinoa, vegan proteins are made up of essential amino acids which can provide keratin-like benefits from a plant source.
  • ultra-violet pigments – counteract yellow and brassy tones to bring out the best shades of blonde, silver, and gray.
  • *this product does not contain any direct gluten contributing ingredients. if you have allergies or sensitivities, please consult your doctor
full ingredients

Water/Eau/Aqua, Cetearyl Alcohol, Dimethicone, Isopropyl Myristate, Behentrimonium Chloride*, Cetyl Alcohol, Glycerin, Cetrimonium Chloride*, Hippophae Rhamnoides (Sea Buckthorn/Argousier) Fruit/Seed Oil, Borago Officinalis (Borage/Bourrache) Seed Oil, Mangifera Indica (Mango/Mangue) Seed Butter, Butyrospermum Parkii (Shea/Karite) Butter, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Hydrolyzed Quinoa, Panthenol, Tocopheryl Acetate, Bis-PCA Dimethicone, Disodium PEG-12 Dimethicone Sulfosuccinate, Ethylhexylglycerin, Butylene Glycol, Aminomethyl Propanol, Caesalpinia Spinosa Gum, Chlorphenesin, Benzyl Alcohol, Potassium Sorbate, Sodium Benzoate, Phenoxyethanol, Citric Acid, Isopropyl Alcohol, Fragrance/Parfum, Benzyl Benzoate, Hydroxycitronellal, Limonene, Ext. Violet 2 (CI 60730) *antistatic agent/agent antistatique

learn more about our ingredients here

please be aware that ingredient lists may change or vary from time to time. to confirm that an amika product is suitable for your personal use, please reference the list of ingredients that is included on your product packaging.

sustainability + impact

contains recycled material: 3.3 oz / 100 ml, 8 oz / 250 ml, and 2 oz / 60 ml contain post consumer recycled plastics (PCR). PCR has a lower impact compared to virgin plastics.

Customer Reviews (4.3 / 5 · 7 reviews)

Hannah T. ★★★★★

The violet lather is the star of the show—it’s genuinely satisfying to watch it tone and strengthen in one go, and my brassiness is gone after just one rinse. My hair feels heavier and healthier, not stripped at all, which is rare for any mask I’ve tried.

Jacob ★★★★★

My hair usually feels like straw after toning, but this mask left it silky and strong without weighing it down. The ultra-violet lather is a nice touch, and the hydration actually lasts for days. Definitely a salon experience from my own bathroom.

Michael Z. ★★★★★

I’ve been fighting brassiness for months and this is the first mask that actually tones while it conditions—the violet lather is a nice touch that makes it feel like a real salon treatment. I’ve used it twice a week and my color looks cooler and my hair feels thicker, not weighed down. Only wish the