Defend your hairline with the Cerafill Defy Shampoo from Redken. This unique formula gently cleanses the scalp, removing impurities that can clog the follicles and hinder growth. This formula utilises SP-94 to nourish the scalp, Ceramide to strengthen hair fibres and Zinc PCA to cleanse the follicles, creating a healthier environment for your hair to grow. This effective shampoo improves the appearance of thinning hair, nourishing you hair to promote growth.