amika: bust your brass toning mask

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

how to use?

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.