Cornstarch Bueno Absorbente Exceso de sebo Cornstarch description Starch obtained from corn and sometimes used as an absorbent in cosmetics instead of or alongside talc. Generally, in powders corn starch lends a silky but dry feel and some find it is better at absorbing excess oil without looking cakey than pure talc-based powders. Cornstarch is also used as a thickening agent in skin care products. Related ingredients: Talc Hydrolyzed Corn Starch