Alpha hydroxy acids are fruits acids that can be used for cosmetic applications. Some examples of AHAs include glycolic, lactic and citric acid. When applied to the skin in diluted concentrations, AHAs help to loosen the chemical bonds that bind dead skin cells to the skin's surface, according to DermNet NZ, the website of the New Zealand Dermatological Society Incorporated. This offers a number of beneficial effects to the user.
Reducing Fine Lines
Glycolic acid's ability to loosen dead skin cells means new skin cells are revealed underneath. This means areas where fine lines may appear can be diminished through the application of an AHA, according to DermNet NZ. This is especially true when undergoing a chemical peel, such as a glycolic acid peel, which contains stronger concentrations than over-the-counter products. These higher concentrations penetrate the skin more deeply and encourage collagen and elastin production.
Increased Sun Sensitivity
Because AHA applied to the skin reveals newer skin cells, these new cells may be more susceptible to burning and sun damage, according to the U.S. Food and Drug Administration. All products containing an AHA should come with a sun sensitivity alert. By applying a sunscreen with a sun protection factor of 15 or higher, you can prevent the effects of sun sensitivity to the skin.
Smoother Skin
Alpha hydroxy acids can serve as a natural exfoliator, according to ABC News. This exfoliation offers a number of skincare benefits. First, the exfoliation can help to give the skin a more glowing appearance because the newer skin has been revealed. Secondly, newer skin should be smoother to the touch as well.
Reduced Acne
Exfoliation of the skin by AHAs is advantageous because it rids the pores of dead skin cells that can otherwise clog the pores and result in acne breakouts. Glycolic acid is particularly effective in treating acne symptoms, and can be applied in over-the-counter treatments as well as chemical peels, according to DermNet NZ.
Reduce Age Spots
Age or sun spots occur when the pigment is damaged due to the sun, smoking or other pollutants. These brown spots can mar the appearance otherwise healthy skin. By encouraging dead skin cells to exfoliate, AHAs may reduce the portions of skin that were previously damaged. This may take numerous applications over time before the effects are visible.
