If you suffer from acne, you might have heard that glycolic acid can help your skin. There is evidence that it can restore skin to its pre-acne state and help to balance the skin’s PH. Glycolic acid is one of the most useful products for “peeling” the skin to remove the brown spots that often linger on the skin after acne heals. Glycolic acid has to be used at the right concentration and at the right pH to work, and not every skin type responds well to glycolic acid in acne treatment. Here is what you need to know about glycolic acid for acne-affected skin. It’s believed that a good.