Alpha-hydroxy acids include glycolic, lactic, tartaric, and citric acids. They have become increasingly popular over the last 20 years. In the U.S. alone, there are over 200 makers of skin care products containing alpha-hydroxy acids.
Creams and lotions with alpha-hydroxy acids may help with fine lines, irregular pigmentation, and age spots. Side effects of alpha-hydroxy acids include mild irritation and sun sensitivity. For that reason, sunscreen should be used every morning.
To help avoid skin irritation with alpha-hydroxy acids, it's best to start with a product with low concentrations of AHA. Also, give your skin a chance to get used to the product. Start out by applying AHA skin products every other day, gradually working up to a daily application. Don't use too much; follow the instructions on the package.
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