OGX Progrowth + Peptide Clarifying Shampoo, Gentle Exfoliating Shampoo, Supports Natural Hair Growth by Removing Scalp Build-Up, 1.5% Mandelic Acid, Lipipro Shield™, 385Ml. OGX ProGrowth + Peptide Clarifying Shampoo gently exfoliates the scalp to support natural hair growth.