A small 2019 study found that a biweekly chemical peel of mandelic acid reduced post-inflammatory hyperpigmentation more effectively than other ingredients like glycolic acid or phytic acid.

Hyperpigmentation disorders of the skin are common. Three of the more common forms include melasma, lentigines, and post-inflammatory hyperpigmentation. Significant negative psychological ...

Though the results may look similar on the skin, hyperpigmentation is actually an umbrella term for any darkening of the skin, with three prominent types: age spots, melasma, or post-inflammatory ...

The overproduction of melanin is also the root causes of conditions such as melasma and post-inflammatory hyperpigmentation. While hyperpigmented skin is normally harmless it can cause distress ...

This special peel can help with melasma, brown spots, blotchy skin, and other types of hyperpigmentation. The Cosmelan peel works by stopping the process that causes dark patches on the skin. It can ...