Melanin deposits around the waist may be related to long-term clothing friction, long-term exposure to sunlight and other factors; usually, the methods of removing melanin deposits include general treatment, medication, physical therapy and so on.
1. General treatment: patients need to avoid triggering factors, such as wearing loose clothing, avoid wearing clothing that exposes the skin, etc.; develop a good lifestyle, such as good sun protection, reasonable diet, combination of work and rest, etc.; if the patient has a primary disease that causes hyperpigmentation, he/she needs to be actively treated.
2. Drug therapy: patients can use photoprotectant topical drugs to reduce ultraviolet absorption and avoid the formation of pigmentation; where pigmentation has been formed, patients can use hydroquinone cream or azelaic acid, tranexamic acid, niacinamide, etc. to inhibit tyrosinase activity, inhibit the metabolism of melanocyte and reduce hyperpigmentation.
3. Physical therapy: At present, physical methods such as photorejuvenation instrument and laser instrument can also remove the pigmentation on the skin surface.
It is recommended that patients choose the appropriate treatment plan under the guidance of the doctor, do not take medication without authorization, so as not to delay the condition.