On TikTok, you'll find content creators touting red light therapy's benefits for skin care, hair growth, joint pain, sleep, longevity, inflammation — even period cramps. As one TikTok creator who goes ...

If your social media feed is full of glowing red face masks and crimson saunas, you're not alone. Lately, it seems like everyone is obsessed with red light therapy and hailing it for its various ...