There are medicines today, called Differin Gel and Glycolic Acid. Differin Gel can remove acne, smooth sores, and make the skin smooth and tender. Glycolic Acid is fruit acid, which can exfoliate, promote skin metabolism, and brighten the complexion. If the two are used together, they complement each other. Clean the face with a cleansing product first, and let it dry. Take an appropriate amount of Differin Gel, apply it evenly to the face, avoiding the eyes and lips. After a while, take Glycolic Acid and apply it. However, it should be noted that the skin may be tingling and redness at the beginning of use. This is normal. If it is uncomfortable, it should be discontinued. And when using it during the day, it is necessary to add sun protection to avoid dull color. Using it in this way may make the skin beautiful and healthy.