Derms explain everything you need to know. Reviewed by Lucy Chen, MD High-frequency wands use low-level electrical currents to kill acne-causing bacteria and reduce inflammation. At-home devices offer ...

Add Yahoo as a preferred source to see more of our stories on Google. "A high frequency wand is a skincare and scalp tool that uses a low-current, high-frequency alternating electrical current," says ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." You could fill a Best Buy with the number of new skincare devices on the market–between LED masks, ...