Biolage Purifying Scalp Treatment

Designed to be used before shampooing, Scalp Sync Purifying Scalp Concentrate is a rinse-off treatment formulated with glycolic acid, exfoliates and clarifies the scalp to remove buildup, excess oil, impurities and dead skin after just one use. This concentrate is so gentle, it can even be used on sensitive scalps and color-treated hair.