Diglycerin ek polyglycerol ingredient hai jo glycerin ka dimer hota hai. Yeh ek humectant ke taur pe kaam karta hai aur skin ko moisture deta hai. Yeh water ko skin mein attract karke hold karta hai, jisse skin soft aur hydrated rehti hai. Yeh ek base ingredient hai jo formulation mein use hota hai, kisi specific skin concern ke liye treatment active nahi hai.