Hydroxypropyl Tetrahydropyrantriol ek synthetic sugar-derived molecule hai jo skin ke glycosaminoglycan synthesis ko support karta hai. Isse skin firm aur hydrated rehta hai, aur dermal-epidermal junction improve hota hai. Yeh ingredient commonly use hota hai firmness aur plumpness ke liye, especially mature ya dehydrated skin types ke liye theek hai.