The principle of laser redness removal: specific wavelengths of laser light are absorbed by hemoglobin in small blood vessels under certain time and energy conditions, leading to coagulation of small blood vessels and finally occlusion and fading. While treating redness, it can stimulate collagen growth in the dermis, resulting in a significant increase in skin elasticity and resistance. Advantages of laser redness removal: painless and scarless. After treatment care: you can wash your face normally after treatment, but in the short term you can’t use the more stimulating face wash, the water temperature should not be too hot or too cold. Pay attention to sun protection when you go out, you can use a sunshade or sunscreen when you go out.