Pimple marks, i.e. the scar left after acne healing, can be eliminated by laser, radiofrequency, acid brushing and other methods. 1. Laser: including fractional laser, YAG laser, etc., which can form micro-columnar vaporized zone and thermo-coagulation necrotic zone in the tissues and promote collagen remodeling to improve acne pits. 2. Radiofrequency: generates heat energy at a specific depth to stimulate collagen regeneration and remodeling, and at the same time, it can reduce sebum secretion, which can be used for patients with inflammatory acne lesions and acne pimples. 3. Acid brushing: commonly used fruit acid, salicylic acid, etc., by stimulating the epidermal renewal and thickening and promoting the proliferation of collagen fibers and elastic fibers in the papillary layer of the dermis to improve acne pits. In addition, it is recommended that patients who are willing to be treated should go to a regular medical institution and be treated under the correct operation of a doctor.
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