Mandelic acid is a type of alpha hydroxy acid (AHA ... with darker skintones who are genetically prone to pigmentation and melasma. While other acids can help to treat these issues, dermatologists ...

melasma, and post-inflammatory hyperpigmentation from acne scars. By accelerating cell turnover, mandelic acid helps fade ...

It can be applied daily at a concentration of 20% to help with hyperpigmentation. 6. Mandelic Acid What it does: Mandelic acid is an alpha-hydroxy acid (AHA) used in chemical peels, but it can ...