6. Lactic Acid

Lactic acid is one that is ideal if you have sensitive skin. Use it to help fight the signs of aging without worrying about irritation or redness. It works similarly to glycolic acid, but is much gentler on the skin without sacrificing the benefits. Lactic acid is showing up in more and more skincare products so finding one that works for you should be a breeze.

Acetic Acid
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