WOW Science for the Skin Moroccan Argan Oil Shampoo with Natural DHT Blockers was created to help exceptionally dry hair regain its smoothness, silkiness, and minimise hair loss. It contains Moroccan Argan Oil, which helps to restore strength and decrease dryness. This shampoo also includes Saw Palmetto and Nettle Leaf Extracts, which have a natural DHT blocking effect (DHT, or dihydrotestosterone, is the hormone that causes hair loss and balding) and can help to reverse hair loss and minimise hair fall. Vitamin B5 is also included, which helps to strengthen hair follicles and promote hair growth. It has a pH-balanced solution that is free of sulphates, parabens, silicones, and salt.