Pentaerythrityl Tetraisostearate ek ester hai jo pentaerythritol aur isostearic acid se bana hai. Isse skincare products mein emollient aur thickener ke taur par use hota hai. Yeh skin ko smooth aur soft feel deta hai, aur products ko easily spread karne mein madad karta hai. Color cosmetics mein bhi commonly use hota hai kyunki pigments ko achche se mix karta hai.