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- worsen pigmentation.
- Dark spots have various causes: sun exposure, skin aging, hormonal changes, previous inflammation or other skin conditions.
What works best according to the evidence?
- Daily use of a broad-spectrum sunscreen.
- Cosmetic ingredients such as vitamin C, niacinamide, azelaic acid, retinoids, or exfoliating acids (depending on skin type).
- Dermatological treatments such as chemical peels, lasers, or specific creams prescribed by your doctor.
Look at the stain in the photo
It’s not possible to diagnose a skin lesion from an image. If a spot:
- changes size, shape
