JASON Thin to Thick Hair Energizing Scalp Elixir energises the scalp with nutrient-rich Biotin and natural plant proteins that help strengthen fine, thinning hair. Natural Folic Acid and Lactic Acid help stimulate hair growth and prevent future hair loss. Your hair looks fuller and shinier, and feels thicker and softer. Fortified with Biotin, Folic Acid & Lactic Acid. No Parabens, SLS or Phthalates.