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Find out how to incorporate alpha and beta hydroxy acids into your skin-care routine.

That said, it’s also one of the trickiest steps to decode.

Close up of pipettes with colored circles and yellow background

Photo: Alex Sandoval

To make matters even more complicated, you have two types of exfoliation to choose from.

The second ischemical exfoliation, which calls on an acid ingredient to gently dissolve dead skin cells.

What’s the Difference Between Alpha Hydroxy Acids and Beta Hydroxy Acids?

That means they can cut through oil in your pores.

Salicylic acid, whichcomes from willow bark, is the most common form of beta hydroxy acids.

What Skin Types Should Use Alpha Hydroxy Acids?

Eventually, they reveal a more vibrant and youthful glow," says Dr. Nichols.

“AHAs can also increase the thickness of deeper layers of skin and restore that firmness.”

Generally speaking, most alpha hydroxy acids are irritating for sensitive skin types.

That said, some types of AHAs are more gentle than others.

What Skin Types Should Use Beta Hydroxy Acids?

“BHAs are excellent for oily and acne-prone skin types,” says Dr. Jamal.

Additionally, low concentrations of BHAs (e.g.

“I recommend integrating an AHA or BHA into a skin-care regimen gradually to avoid aggravating the skin.”