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 skincare regimen also improved tactile and visual skin smoothness, skin softness, luminosity and post-inflammatory hyperpigmentation. A three-step skincare regimen improved acne and post-acne ...

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 ...