Common causes of hyperpigmentation on the face include chloasma, freckles, nevus of Ota, etc. It is necessary to clarify the cause of the disease and then choose general treatment, medication, physical therapy and other treatments to improve the symptoms.
1. Melasma: Pay attention to the sun protection of the skin, and use sun block when going out; use topical depigmenting agents, such as hydroquinone and arbutin cream, to inhibit the activity of tyrosinase and reduce the production of pigment; use topical retinoic acid, to affect the metabolism of melanin and improve the symptoms; orally take aminomethylenic acid to reduce the synthesis of melanin; and also take laser treatment.
2. Freckles: Usually, we should do a good job of sunscreen, avoiding sunlight exposure, can be used externally to decolorize the agent treatment, such as hydroquinone cream, phenol, 30% ~ 35% trichloroacetic acid solution, etc., so that freckles peeling; medication effect is not good, but also can be taken to the laser treatment, to remove the hyperpigmentation.
3. Nevus of Ota: The commonly used treatment method is laser treatment, which can effectively remove pigmentation and improve symptoms.
It is recommended that patients clarify the cause of the disease, under the guidance of the doctor active treatment, medication, strictly comply with the doctor’s prescription medication, not blindly self-medication.