The scars left after herpes heals are usually round scars, which are depressed changes with no obvious sensory abnormalities when touched by hand on the surface and do not hurt or itch. If you want to improve this symptom, it is recommended to use carbon dioxide fractional laser, once a month and a half, six to seven times in a row will have significant results. A silicone gel of humanoid collagen should be applied after each laser exposure to improve the stimulation of the skin by the laser and accelerate the scar repair. You can also choose to use dermabrasion on the surface of the depressed scars for treatment, together with the use of hyaluronic acid gel can increase skin hydration, increase skin elasticity and promote the regeneration of subcutaneous fibrous tissue can also achieve the ideal effect of scar removal. Do not repeatedly rub or scratch the scar surface in daily life to prevent pigmentation.