Toothpaste is being touted on social media as a hack to clear acne, soothe burns and whiten fingernails. But dermatologists say products intended for these purposes are better options, and toothpaste ...

Some of these can combat acne. Hydrogen peroxide, for instance, can dry out zits and help kill bacteria. "It’s understandable that people may have tried this as a home remedy, especially in the ...