Alpha Hydroxy Acid (AHA)
What it is: An exfoliant naturally derived from various plants and milk, but 99% of the AHAs used in cosmetics are synthetic. AHAs are water soluble. They work by melting the intercellular glue that holds skin cells together, to help the skin’s natural shedding process.
AHAs include glycolic acid (sugar cane), lactic acid (milk), mandelic acid (bitter almonds), tartaric acid (grapes), malic acid (apples and pears), citric acid (citrus fruits).
Benefits: Helps diminish the look of fine lines and wrinkles, makes skin look and feel firmer, hydrates, improves dull skin and uneven skin tone, and smoothes out roughness.
Best for: Generally preferred for normal to dry, sun-damaged skin, and aging skin.
What it is: Also known as L-ascorbic acid is a form of Vitamin C. It is a potent antioxidant and skin-soothing agent that can improve the appearance of signs of aging.
Benefits: Helps to address dark spots, uneven skin tone, wrinkles, loss of firmness and dullness.
Best for: Dull and uneven skin texture, sun-damaged and aging skin.