
According to people who know such things (aka dermatologists), toothpaste can dry out blemishes. That's the good news. The bad? The fluoride in some cavity fighters is so potent that it can burn your skin. So, really, with so many legitimate acne fighters on the market today, why would you resort to toothpaste?
If you simply have a penchant for applying white paste to your spots, try this DIY home remedy recommended by New York City dermatologist Francesca Fusco: mix water into cornstarch and dab it on. You'll reap the drying benefits without the risk of burns or other irritation.
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