Glycolic acid is a substance that chemically exfoliates a person’s skin by dissolving dead skin cells and oils. Glycolic acid may also help boost collagen production, and support skin moisture.

Woman also felt nauseous and suffered from vomiting, diarrhea and back pain She was treated with hair straighteners that contained glyoxylic acid READ MORE: Three women sue L'Oreal claiming ...

A woman developed kidney damage on three separate occasions after receiving hair-straightening treatments at a salon. Her doctors say one of the products used likely caused the organ injuries.