A gentle pre-shampoo treatment that exfoliates, calms & hydrates in one step!

Biolage Scalp Sync Purifying Scalp Concentrate is a gentle pre-shampoo treatment that exfoliates and clarifies the scalp from buildup, excess oil, impurities and dead skin after one use. Infused with glycolic acid and fermented tea, this pre-shampoo is ideal for all scalp types.