We don’t always have the answers, but we have some people on speed dial who do — which is why we present our FYI series, where we have experts explain if lip balm is actually bad, how often you should ...

Dr. Bonnaig says there are times when it’s not a bad idea. “Fluoride-free toothpaste is available as an option for people who are allergic or sensitive to fluoride. Also, it is a good option ...