Redken Acidic Grow Full System Hair Serum for Thin Hair, Strengthens & Thickens

Create thicker, fuller-looking hair with the Redken Acidic Grow Full System Hair Serum for Thin Hair. This serum is powered by azelaic acid and a 5% hydrating complex, delivering targeted hydration to the scalp and hair. The formula helps to rebalance the scalp, visibly smooth the strands, and reduce breakage, supporting healthier-looking hair across all hair types.