The science behind red light therapy for skin and hair : NPR0

• HEALTH
• April 14, 2026

Red light therapy has become the latest ray of hope in the wellness industry. If you listen to wellness influencers, you might think there’s nothing that red light therapy can’t treat. But what’s the science behind the hype? The claims On TikTok, you’ll find content creators touting red light therapy’s benefits for skin care, hair