Showerhead filters and LED face masks come with a lot of beauty claims...but do they deliver? Dr. Sanjay Gupta tackles two popular hair and skin trends, with insight from dermatologist Dr. Marisa Garshick, breaking down what the science says and whether they’re worth trying at home. Producer: Kyra Dahring Medical Writer: Andrea Kane Showrunner: Amanda Sealy Senior Producer: Dan Bloom Technical Director: Dan Dzula Learn more about your ad choices. Visit podcastchoices.com/adchoices