Reddening Cosmetic is a type of cosmetic product that is used to give the skin a rosy hue. It is commonly referred to as ROUGE, which is a French word meaning 'RED'. ROUGE is usually applied to the cheeks and lips to give them a healthy, natural-looking flush. It can also be used to contour the face and enhance features. Reddening Cosmetic is available in a variety of shades and formulas, ranging from powder to cream to liquid.