GLYCOLIC ACID EXFOLIATING SCALP 5.07OZ. Benefits: Exfoliate your scalp and support healthy hair growth by removing product buildup and dead cells with this Glycolic Acid Exfoliating Hair Scrub. With 7 percent glycolic acid, it will physically and chemically exfoliate your scalpleaving hair looking healthy.. Removes product buildup and dead cells. Supports healthy hair growth by cleaning the hair follicles to allow natural hair growth. Physically and chemically exfoliates the scalp. Key Ingredients: 7% Glycolic Acid: Gently exfoliates the scalp to remove dead skin and product buildup. 2.5% Symcontrol Scalp: Reduces sebum over-production for less oily hair. 2% Castor Beads: Provides an exfoliation experience. :