Amika Bust Your Brass Intense Repair Mask Hair Mask Use once a week between

Use once a week between chemical services to repair

Highly concentrated

3 Hair Perfector (both sold separately) once a week or as needed

natural finish

7 Bonding Oil is the first-of-its-kind

Amika Bust Your Brass Intense Repair Mask Hair Mask Use once a week betweenBring blonde back to life. This luxurious, ultra hydrating reparative toning mask mask is formulated with bond cure technology, vegan proteins, and plant butters to repair + strengthen damaged hair, while ultra violet pigments tone brassy hues. After one use, hair is less prone to breakage and more manageable. How To After washing, massage through damp hair. Let penetrate 35 minutes. Rinse well. Use as a weekly treatment in place of conditioner, or as