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Post-inflammatory hyperpigmentation (PIH) is a reactive hypermelanosis, profoundly common in the Asian skin. The post-acne sequelae may have profound effects on the patients’ mental status, sometimes even more than the acne itself, as they are long lasting and sometimes treatment refractory. PIH occurs secondary to release of inflammatory mediators such as prostaglandins and interleukins in acne which stimulate melanogenesis. There are a multitude of therapeutic modalities available for the treatment of PIH associated with acne. Treating acne and PIH simultaneously would be a logical approach. Epidermal PIH usually responds to topical skin lightening agents which are the first line in these cases. Patients refractory to topical and oral treatment modalities usually have dermal PIH and may be offered interventional therapies. These therapies can be utilized simultaneously along with conventional therapies to hasten up the results, as combination treatment works synergistically by multipronged action at different pathways of etiopathogenesis. The patients with dermal PIH refractory to standard treatment may require other adjunctive therapies such as chemical peels, PRP, and lasers. This review provides an insight into rational and holistic approach to the management of the underlying acne, early customized treatment along with correction of underlying nutritional deficiencies, and lifestyle modifications in effective treatment of PIH.

Tips for managing post-inflammatory hyperpigmentation of acne