Strengthen your thinning hair fibres with the Cerafill Defy Conditioner from Redken. This formula uses Ceramide to strengthen hair fibres, SP-94 to nourish the scalp and Zinc PCA to cleanse the follicles, creating a healthier scalp environment to promote growth. This powerful combination works to add shine, making hair visibly fuller and restoring your roots to their rightful richness. Defy hair thinning and defend your hairline with this effective conditioner.