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 spraying, apply an appropriate amount of conditioner into the palm of your hand and gently massage into your hair. Leave it on for a few minutes before rinsing thoroughly.