Reasons for Skin Darkening
Environmental pollution is a growing contributor to skin darkening, especially in urban areas. Pollution exposes the skin to dust, smoke, and toxic particles that generate free radicals. These free radicals damage skin cells, weaken the skin barrier, and accelerate aging. To protect itself, the skin increases melanin production, leading to dullness, pigmentation, and uneven tone. Heat exposure is another often overlooked reason. High temperatures, cooking heat, steam, and hot climates can stimulate melanocytes even without direct sunlight. This is why many people notice increased skin darkening during summer months.
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