applying the product using small, circular motionsįor leave-on products, follow the instructions on the label. ![]() To use a wash-off AHA, such as a cleanser, follow the instructions on the label. If people are unsure of which type of product to choose, they can consult a dermatologist for advice. If AHAs are already present in other products, or a person uses manual exfoliation, adding another exfoliant may be too much. This and the AHA concentration can affect their potency.īefore choosing an AHA product or exfoliation method, the American Academy of Dermatology (AAD) recommends that people consider their skin type and the other products they already use. Some types of AHA products are wash-off, while others require a person to leave them on the skin. People can use AHAs in a variety of ways. HA works by binding to water, keeping moisture in the skin. For example, hyaluronic acid (HA) is a humectant, and not an exfoliant. Other types of acid in skin care products are not exfoliants. People can also purchase products that combine AHAs and BHAs together. As with AHAs, people can use salicylic acid in a variety of ways. Salicylic acid is the most common BHA in skin care products.
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