Skin and the city

Skin and the city Exhaust fumes, cigarette smoke and smog cause free radical, which rob skin of oxygen and other nutrients. This can make pigmentation worse; research shows that faces with uneven skin tone look older than those with a few lines and wrinkles. Traffic pollution accounted for up to 20% increase in pigmentation on the forehead and cheeks. Participants who lived in more traffic-heavy areas were worst affected. So

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