PIE (Post-Inflammatory Erythema)
PIE (Post-Inflammatory Erythema) Treatment PIE (Post-Inflammatory Erythema)is the result of acne inflammation(Seonguk M et al., 2015). Usually PIE come when the acne already disappear but it left with red, pink, or even purple spot. People with lighter skin tone tend to have this PIE while people with darker skin tone tend to have PIH or dark spot (Seonguk M et al., 2015). For some cases like me, i actually have brown skin tone but i also got PIE at some spot of my face. Usually i got PIE on the cheek because the color or the tone of my cheeks is lighter than the other part of my face, and yash i do have uneven skin tone that’s why some part of my face is lighter but some of them is darker. I also got PIH on my forehead because my forehead is darker than my cheeks. When it comes to PIE i always go for skin care that has niacinamide in their ingredients. Niacinamide or clinically known as nicotinamide (3-pyridine-carboxamide) is the physiologically active amide of niacin (vitamin