Neopentyl Glycol Diheptanoate Goed Textuurversterker Hydratatie Neopentyl Glycol Diheptanoate at a glance Derived from a mixture of neopentyl glycol and heptanoic acid Functions as a skin-softening agent and formulary thickening agent Light straw-colored liquid in its raw material form Known to be safe for cosmetic use Neopentyl Glycol Diheptanoate description Neopentyl glycol diheptanoate is a mixture of texture-enhancing ingredient neopentyl glycol and grape-derived fatty acid heptanoic acid. The compound functions as a non-aqueous skin-softening agent (emollient) and formulary thickening agent. Neopentyl glycol diheptanoate is described as a light straw-colored liquid in its raw material form. The 2017 Cosmetic Ingredient Review report for neopentyl glycol diheptanoate concluded that it is safe for cosmetic use (they surveyed 415 products using concentrations between 1-33%).