Starch (commonly corn, rice, or tapioca starch) ek plant-based polysaccharide hai jo skincare mein oil aur moisture ko absorb karne ke liye use hota hai. Yeh skin ko soft matte finish deta hai aur product ki texture ko improve karta hai. Yeh powder form mein aata hai aur oily skin ke liye bahut accha hai kyunki excess oil ko soak karta hai. Makeup aur face powders mein bhi commonly use hota hai taaki skin smooth aur matte dikhe.