However, it is worth noting that much of the existing research appears gathered from studies whose participants had lighter skin tones.
Lactic acid, another AHA, is an excellent moisturizer. Experts believe that the quicker action of AHA makes it a better option for improving skin color than BHA-containing products.Īlso, because of AHA’s more aggressive mechanism of action and its effects on collagen, people looking to improve sun-damaged or aged skin might prefer AHA-containing products. People can find hydroxy acids in higher concentrations in chemical peels used for treating calluses, acne, photoaging, skin growths, and psoriasis.Ī person should base their choice of skin product on which hydroxy acid is most suitable for their specific need.īHA seems to be more effective for treating skin conditions like acne because of its antibacterial properties.ĪHAs, such as glycolic and lactic acid, may be effective in treating changes in skin color such as melasma, solar lentigines, and post-inflammatory hyperpigmentation.
People can also find them in low concentrations in over-the-counter prescription creams and lotions. Many products with hydroxy acids are exfoliants and moisturizers. Studies typically use products with different active ingredients and different instructions for use, making comparing products a challenge. This promotes the shedding of skin cells at the surface.īHAs are also a skin peeling agent, but salicylic acid has additional antibacterial actions.ĭespite the many studies on AHAs and BHAs, experts still lack adequate information on their safety and efficacy. To measure improvements in sun-damaged skin, doctors check skin roughness, changes in skin color, and collagen density.īecause of the reported benefits of hydroxy acids, many skin care companies have developed cosmetic products that include them.ĪHAs and BHAs both work as exfoliants, but they work in different ways.ĪHAs work by reducing the concentration of calcium ions in the skin. One of the most common benefits of hydroxy acids is their ability to improve sun-damaged skin.
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