Experience soothing scalp care with Biolage Scalp Sync Purifying Concentrate. This exfoliating treatment removes impurities, excess oil, and buildup while gently clarifying the scalp. Infused with a micro-dosed fermented tea blend and filtered glycolic acid, its safe for all scalp types, including sensitive and color-treated hair. It provides a refreshing, purifying experience and hydrates the scalp for up to 72 hours after just one use.