What to know about the red light therapy trend

Influencers on social media have been reviewing different types of red light devices and claiming they could be effective at improving skin health and slowing the effects of aging. Devices have become so popular, the light therapy market in the U.S. is projected to grow to nearly $449 million by 2030. Dr. Rachel Nazarian, a board-certified dermatologist, explains what to know.

Read MoreHome – CBSNews.com