There are two types of acne marks on the face: the first is red acne marks and the second is deeper depressed acne marks. For red acne marks, nowadays, the main use of strong pulse light, commonly known as photorejuvenation. You can also use the red and blue light irradiation method, continuous treatment several times, there is a better effect, but also pay attention to sun protection skin moisturizing repair. If the acne pits on the face are more obvious, there are some deeper acne pits, currently the main treatment is fractional laser, or microdermabrasion. Through the fractional laser, this kind of depression on the face is made into tiny microscopic holes, stimulating the collagen growth of the skin, to eliminate or reduce the purpose of acne marks. This kind of deeper acne marks can be improved.