known as the smallest molecular sized alpha hydroxy acid (AHA). “Glycolic acid is derived from sugarcane and has been used in skin care since the 1970s, when dermatologists began incorporating ...

Most of these fall into the alpha-hydroxy acid (AHA) bucket. One of the most gentle chemical exfoliants is Polyhydroxy acid (PHA), which has a large chemical structure that prevents it from ...

Alpha-hydroxy acids (AHAs) Alpha-hydroxy acids are water ... collagen — the protein building block of your skin's structure Reducing the appearance of wrinkles AHA ingredients are often found ...

Alpha hydroxy acids (AHA’s) Dr. Corey L ... Polyhydroxy acid (PHA’s) Polyhydroxy acids (PHA’s) have larger molecular structures and stay in the upper layers of skin. This acid works for ...