First of all, it's important to note which the Kerassentials hasn't absent underneath any clinical trials to verify it’s claims. However the official website point out several medical research which were carried out against the elements used in the formulation. Tocopheryl Acetate: Tocopheryl acetate, a secure form of Vitamin E, https://medium.com/@hanane.molka/kerassentials-reviews-unveiling-surprising-outcomes-4a2a06483212