JASON Thin to Thick Extra Volume Hair Spray delivers tremendous lift & support with long-lasting, flexible hold. Hair-strengthening Biotin, Panthenol & natural Green Tea helps stimulate hair growth, restoring full-bodied thickness to thinning, weak hair. Nourishing Vitamins A, B5 & H & natural styling polymers give a touchably soft, long-lasting hold. Fortified with Biotin, Panthenol & Natural Green Tea. No Parabens, SLS or Phthalates.