nzoyl peroxide, retinols, and glycolic acid.

9. Not Enough Sleep
As if anybody needed an excuse to get more sleep … During deep sleep, our bodies rejuvenate our skin by digesting dead cells and regenerating new ones. When someone has a prolonged lack of sleep, this “taking out the trash” doesn’t get done, and the result is that the skin begins to look dull and lifeless. A lack of sleep also results in higher levels of cortisol, a stress hormone that promotes inflammation.

10. Running
The good news about running is that it promotes blood flow and releases stress. The bad news is that it exacerbates the effects of gravity, and the repetitive up-and-down pounding motion can eventually lead to sagging. Dermatologists caution that avid runners simply avoid other behaviors that can contribute to aging, and start an anti-aging skin care regimen earlier than normal.

Sometimes it seems like women just can’t win; even when we think we’re doing all we can, we discover that everything we do is still leading us to an early date with the plastic surgeon’s office. A healthy lifestyle is the first step toward maintaining great skin well into adulthood, but making sure to steer clear of these small but destructive habits can help you stay forever young … or at least look that way.

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