JASON Thin to Thick Extra Volume Conditioner delivers weightless manageability and volume to fine, thinning hair. Hair-strengthening Panthenol and Biotin help stimulate hair growth to restore thinning, weak hair while fortifying Vitamins A, C and E nourish the entire hair shaft for improved volume with fewer fly-aways and split ends. Your hair looks fuller and shinier, and feels thicker and softer. Fortified with Biotin, panthenol & vitamins A, C & E. No Parabens, SLS or Phthalates. JASON is a PETA certified cruelty-free brand; they do not test any of their products on animals.