PEG-4 Dilaurate ek polyethylene glycol ester hai jo lauric acid se banaya gaya hai. Ye nonionic emulsifier aur emollient ke taur par kaam karta hai. Formula mein oil aur water ko mix karne mein madad karta hai aur skin ko smooth aur soft feel deta hai. Ye ek base ingredient hai jo formulation ko stable banata hai, skincare product mein iska main kaam consistency aur texture improve karna hota hai.