“Lactic acid belongs to the family of alpha hydroxy acids (AHAs),” says Kordecki. “It’s found in dairy products, and it’s what gives yoghurt and soured milk that distinctive tang.
Hydration is essential, but you must also keep it in your skin. The HA 5® Hydra Collagen Replenish + Restore Hydrator contains five different forms of the humectant hyaluronic acid to hydrate and ...
"I'd dispense products from sauce bottles ... a cosmetic chemist at the University of Cincinnati, says that alpha hydroxy acids "have been applied to the face as beauty treatments for thousands ...