From the Cosmetic Dermatology Archives
A Review of Postinflammatory Hyperpigmentation
Originally published in Cosmetic Dermatology
By
Harvey VM
Author and Disclosure Information
Harvey VM
Postinflammatory hyperpigmentation (PIH) is an acquired form of hypermelanosis that occurs in response to inflammation or injury to the skin. It is the final, common pathway for a variety of inflammatory dermatoses (eg, atopic dermatitis, acne vulgaris, lichen planus, psoriasis), infectious processes, trauma, or therapeutic interventions. Although PIH can occur in any skin tone, it is more common and particularly problematic in darker individuals with Fitzpatrick skin types IV to VI. While many therapeutic interventions exist, the optimal treatment for PIH remains elusive.