![]() However, not all AHAs are suited for all skin types, so it can take some research to find the right AHA products for your skin. In higher concentrations, AHAs are the active ingredients that give professional-grade peels their intense exfoliating power. It’s no wonder you find AHAs in all sorts of skin care products, from cleansers to toners to serums. Thanks to their exfoliating power, they can smooth wrinkles even skin tone, fade the look of dark spots and reduce acne. Many recommend using AHAs ideally at night – but when used with sunscreen – AHAs can be used day or night or both.Called AHAs for short, alpha hydroxy acids have a long list of skin benefits. ![]() One final note, alpha hydroxy acids should always be used in conjunction with sunscreen during the day because they make your skin more sun sensitive. For example, if you have sensitive skin or rosacea then you may want to start by using a low-strength product once a week before working up to daily use over time as your tolerance builds up whereas someone with normal or oily skin may be able to use a higher percentage from the start. Your frequency of use will depend on your skin type as well as the strength of the product. It’s best to start out slow when using an alpha hydroxy acid product for the first time-use it once a week at first and then gradually increase frequency over time depending on your skin’s tolerance level. And the use of AHAs can lead to improved penetration of other ingredients from follow-up treatments. They can also help reduce pigmentation and even out skin tone by removing old, dead tissue on the surface of the skin. This makes the skin feel smoother and look more even.ĪHAs also help increase cell turnover rate and reduce the appearance of fine lines and wrinkles. This loosens up the dead skin cells so they can be washed away or removed by your body’s natural exfoliation process. When applied topically, AHAs work by dissolving the intercellular glue that holds dead skin cells together on the surface of your skin. For example, if you have sensitive skin or rosacea then you may want to start by using a low-strength product once a week before working up to daily use over time as your tolerance builds up whereas someone with normal or oily skin may be able to use a higher How do AHAs work?Īlpha hydroxy acids are water soluble, meaning you can use them in a moisturizer instead of having to apply them directly to your face (which can be drying). The frequency at which you use AHAs will depend on your skin type as well as the strength of the product. Ascorbic acid can be found in Vitamin C products and works well for all skin types, but especially those with sun damage or hyperpigmentation issues. Ascorbic acid is larger than both glycolic and lactic acids but still small enough to penetrate the skin’s surface layers. Lactic acid is larger than glycolic acid and works well on dryer or combination skin types. Glycolic acid is the smallest AHA molecule and works best on oily and acne-prone skin types. The most common AHAs are glycolic acid, lactic acid, and ascorbic acid. ![]() So, while one may cause irritation in one person, it might be perfectly fine for another. It’s important to remember that all AHAs have similar benefits. They work by helping to remove the damaged outer layers of your skin that cause dullness and uneven skin tone. Alpha hydroxy acids (AHAs) are chemical exfoliators used in skin care to resurface the skin.
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