The treatment of scar mainly depends on the specific nature of scar. Related treatments include drugs, surgery, laser grinding and injection. For hard scars, drug injection can be considered to soften them. Combined with other treatments, uneven scars can be polished by laser, sunken scars can be filled by injection, and larger scars can be considered for surgical reduction. But as far as the current medical technology is concerned, the best effect of scar treatment is only close to normal skin color, and it can't really be completely removed. Reference source: Wuhan Aibo Plastic Surgery Hospital.

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