How to Treat Post-Inflammatory Hyperpigmentation
Post-inflammatory hyperpigmentation (PIH) is an area of darker skin where acne or a wound has healed. Post-Inflammatory Hyperpigmentation Symptoms PIH usually looks like a flat area of discoloration on the skin. PIH can develop in allskin types. Verywell / Emily Roberts However, it tends to be more severe and longer-lasting for people with medium to dark complexions. As the skin heals, it produces too muchmelanin(the protein that gives the skin its color)....