TRESemmé Biotin Repair Mask smooths and repairs heat-damaged hair while nourishing the scalp. Formulated with Biotin and Pro-Bond Complex, this mask penetrates inside the hair to restore broken bonds caused by chemical, heat and mechanical-styling damage. TRESemmé Biotin Repair Mask visibly repairs 7 types of damage in just one use. Our hair care experts are at the forefront of science and safety – every ingredient is carefully selected to ensure your hair receives the best possible care. Use this hair mask as a weekly treatment instead of your regular conditioner following TRESemmé Biotin Repair Shampoo. Made in Slovakia.