Skin Care Ingredient Guide: Not sure what all the ingredients in your favorite skin care products really are? Use this handy guide to decipher the real definition of each ingredient. Find out if your beauty products are as safe as they seem!
Which one do you use if you have blackheads? Both are good for unclogging pores. Here's why: SALICYLIC ACID This is the only acid that can penetrate oil. (Because it is oil-soluble. All other acids are water soluble.