Dropping Acid: 3 Key Ingredients to Treat Every Skin Type, From Aging to Acne-Prone

From glycolic to lactic to salicylic, these alpha and beta hydroxy acids are powerful ingredients to stockpile in your skin-care arsenal.

http://www.details.com/blogs/daily-details/2013/11/dropping-acid-3-key-ingredients-to-treat-every-skin-type-from-the-aging-to-the-acne-prone.html