• Glycolic acid one of the most tried and true. It is a type of alpha hydroxy acid (AHA) that, like other ingredients in the category, can act as a water-binding agent and, when properly formulated and used in concentrations of 5% or greater, as an exfoliant. While there are several other types of AHA, glycolic acid is by far the one with the most research backing its effectiveness.

    • The most-researched AHA (alpha hydroxy acid)
    • Helps renew the skin’s surface and visibly improves signs of aging
    • Increases the skin’s hydration
    • May protect skin from UV damage

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