Mehron ~ Extra-Flesh with Fixative A (Carded) This Extra Flesh Special Effects Makeup is easy to use; just rip off a chunk, dab it on and blend it out. This special Extra Flesh by Mehron can be applied with a safe non-toxic adhesive, Fixative A or Spirit Gum which is used by Special Effect Makeup Artists throughout the entertainment world. Extra Flesh is a synthetic makeup product that can be reused and is easy to apply and remove. Extra Flesh is an exclusive formulation of the Mehron makeup Company.