NOT KNOWN FACTUAL STATEMENTS ABOUT RETINOL

You’ll see this ingredient in several about-the-counter and prescription products which deal with acne. It penetrates pores and cuts down blackheads and whiteheads with significantly less discomfort than what you might get from alpha-hydroxy acids. Like AHAs, salicylic acid exfoliates the skin, which often can decrease indications of aging. A 20