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Ingredients that actually help fade dark spots on combination skin
Gentle exfoliating acids (mandelic, lactic, low‑strength glycolic) : help shed pigmented cells on the surface; best kept to a few nights a week so your barrier stays intact.
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Evidence-backed serum ingredients for oily, pigment-prone skin
For beginners or sensitive, oily skin: Start with niacinamide as your main brightening serum, and add vitamin C or azelaic acid later if needed. For more stubborn pigmentation: Discuss tranexamic acid or stronger retinoids with a dermatologist instead of layering lots of over-the-counter acids at once. [2] Limit leave-on exfoliating acids to 1–2 evenings per week, especially if you are already using retinoids or vitamin C.