hello.

• It is advised to follow some advice such as paying attention to proper nutrition, avoiding smoking, avoiding exposure to sunlight, using suitable sunscreen when leaving the house, drinking enough water daily, sleeping at night for enough hours and avoiding staying up late, bathing periodically and using moisturizing and peeling products. you can use some drugs such as Hydroquinone cream  twice-daily, Olay White Radiance Brightening Intensive Cream, Kaya Pigmentation Reducing Complex, or products containing kojic acid, in addition to the use of Pepanthin plus cream twice daily, and in case of non-response, liquid nitrogen cooling , laser skin peeling or whitening injection can be used 

• The diagnosis is made through a clinical examination by a dermatologist

• Excessive exposure to sunlight
• excessive use of cosmetics
• Hormonal disorders

• Follow the above advice and consult a dermatologist

You are now in the medical consulting department, and your medical inquiry mentioned is not clear. Therefore, please clarify what is the health condition and what are the accompanying symptoms so that we can answer you as soon as possible.