Visibly transform your hair from the source using the Aveda Scalp Solutions Exfoliating Scalp Treatment. n Powered by a rich blend of salicylic acid and glucosamine, the high-performance formula gently yet effectively exfoliates the scalp to help remove product build-up, impurities and excess scalp oil. The skincare-inspired treatment leaves the hair and scalp feeling cleansed and refreshed and can be used on a wet or dry scalp before shampooing.