Biolage Hydrasource Deep Treatment Mask delivers a surge of moisture and nourishment to dry, dehydrated strands. The micro-dosed formula, with aloe vera and fermented hyaluronic acid, penetrates the hair fiber, sealing the cuticle and helping prevent breakage. Experience the benefits of 5x more hydration and 14x smoother hair.* *Hydra Source Shampoo and Deep Treatment Pack vs. non-conditioning shampoo
