Celebs swear by red light masks; Prime Day deals up to 47% off

Charlize Theron, Kim Kardashian, Halle Berry and Kris Jenner are among fans of red light therapy masks. When Charlize Theron shared in April that she basically lives "in a red light mask at all times" on the "Will and Woody" podcast, she said they make a difference more so than "any lotion or cream." The devices are touted to minimize wrinkles, boost collagen and reduce inflammation and redness.

Prime Day brings opportunities to save — some masks are marked down up to 47 percent. Wavytalk’s entry-level mask is on sale for under $100 and promises to reduce fine lines, increase radiance and minimize breakouts; one five-star review reads, "I’m only a few sessions in and already noticing a more even skin tone." Ulike’s ReGlow is a top-of-the-line model designed for smoother, brighter skin with four modes — glow, firm, rejuvenate and clear — and the company says it delivers results in eight minutes a day.

"An amazing product that really lives up to its promises," one shopper wrote. "I concur!

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