JASON Thin to Thick Extra Volume Shampoo uses gentle botanical surfactants to thoroughly purify the scalp and cleanse the hair of dirt and oil. Hair-strengthening Biotin and Panthenol wrap around the entire hair shaft to boost volume and increase hair cortex elasticity for less breakage. Natural plant proteins add luster and bounce. Your hair looks and feels naturally thicker, with a healthy shine. Fortified with Biotin, panthenol & Natural Proteins. No Parabens, SLS or Phthalates. JASON is a PETA certified cruelty-free brand; they do not test any of their products on animals.