Why are small dark marks randomly appearing on just one side of my face?

Hello,

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As your query, Make sure you are not exposed to the sun. Avoid sun exposure, especially between 11 am to 3 pm. If at all, you must, then wear protective clothing, a full-sleeved shirt, a scarf to cover your face except the eyes, a broad brim hat, sunshades, broad sunscreen spectrum, which has both UVA and UVB protection minimum 30 SPF. It could be freckles as well, which can be due to aging, sun, acne, pollution exposure. Take a balanced nutritious diet. Include lots of green vegetables and fruits in your diet. Special mention for citrus fruits, which include oranges, kiwi, etc., which are high in Vitamin C, is beneficial for the skin. Add antioxidants supplements. Or else, you can go in for safe laser treatment provided all parameters are met, and you are completely normal medically and surgically, and no contraindications found. Chemical peeling also helps to get rid of the superficial epidermal layer, which bears these marks and helps in the renewal of the skin.