Product Details

Leaping bunny and Vegan certified, amika's Bust Your Brass Shampoo not only aligns with your personal values but it also helps to tone and flush out brassy warm tones, leaving you with beautiful cool, blonde locks.

This ultra-violet shampoo tones unwanted brassy hues, while also repairing hair for stronger, healthier-looking hair prone to less breakage. Perfect for those with blonde, silver or grey barnets, this Holy Grail formula is packed with the brand's bond cure technology (which targets bonds prone to breakage), quinoa protein, plant butters and ultraviolet pigments. Prepare for this purple shampoo keeps your blonde looking cool and strong.

If you are a natural (non-colour 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 (colour-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 colour; 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.