Brand from Japan: NatureLab. Temporarily modifies the hair’s natural barrier to allow active ingredients to penetrate more easily.Booster formula improves the delivery of both oil-soluble and water-soluble hair restoring serum ingredients by increasing their solubility.3 types of micro-collagen, deliver deep, intense hydration to the hair shaft and scalp stratum corneum.Packed with salon-quality hair restoring ingredients, it targets dry, damaged hair and instantly transforms it for touchable soft results.Biotin hair serum designed to nourish, protecft, and revitalize your hair.Biotin, also known as vitamin B7, is a water-soluble micronutrient vital for a healthy scalp.How to use:After letting your hair get fully wet with lukewarm water, apply a small amount of shampoo to your palms and massage until it lathers. Rinse thoroughly.