Understanding Post-Inflammatory Hyperpigmentation and Post-Inflammatory Erythema And How to Treat Them
When a client comes in frustrated that their acne is clearing but their skin still doesn’t look right, the answer almost always lies in two conditions that are frequently confused for one another: post-inflammatory hyperpigmentation (PIH) and post-inflammatory erythema (PIE). Both appear after skin inflammation, both leave marks in the wake of a breakout, and […]