BIOTIN Biotin stimulates keratin production in hair and improves the strength of hair strands, making the hair glossier and less frizzy. VITAMIN B5 Helps to moisturize hair follicles, making previously dry hair and scalp nourished. Vitamin B5 helps treated and damaged hair recover and boosts the hair's strength. HORSE CHESTNUT Its soothing properties help calm the scalp and get rid of excessive sebum, while on the other hand fighting hair loss and protecting hair strands.