Magnesium stearate ek bulking agent aur anti-caking agent hai jo skincare aur cosmetics mein use hota hai. Yeh stearic acid ka magnesium salt hota hai aur product ke texture ko improve karta hai. Powders aur creams mein ingredients ko clump hone se rokta hai aur smooth consistency maintain karta hai. Lubricant aur opacifier ke taur par bhi kaam karta hai.