There are many types of dark spots of skin pigmentation, such as post-inflammatory hyperpigmentation spots, coffee spots, senile black spots, pigmented pityriasis rosea, etc. Depending on the condition, topical medication, laser, cryotherapy and other treatments are available.
1. Post-inflammatory hyperpigmentation spots: commonly seen in fixed-type drug rash, herpes zoster, pyoderma and other skin diseases, due to the reduction of sulfhydryl groups in the skin during the inflammatory reaction, which increases the activity of tyrosinase and causes the deepening of local pigmentation. At this time, it is necessary to treat the cause and block the inflammation of the skin, and topical hydroquinone cream or vita-acid can be used to promote the pigmentation of hyperpigmentation.
2. Coffee spot: it has certain genetic tendency, mostly appears at birth or in infancy, the specific pathogenesis is not clear, generally no treatment is needed, and it can also be removed by using fractional laser, intense pulse light, and so on.
3. Age-related black spots: occurring in middle-aged and old people’s long-term exposure areas, mostly related to sunlight exposure, can be removed by CO2 laser or liquid nitrogen freezing, etc. In addition, there are other reasons for the formation of black spots.
In addition, there are many other reasons for the formation of dark spots, it is recommended to go to regular hospitals to avoid blindly using medication, and at the same time, you can consume more vegetables and fruits rich in vitamin C in daily life, pay attention to sun protection, regular work and rest, and ensure sufficient sleep, etc. All these can help to prevent the formation or aggravation of dark spots.