At-home red light therapy devices are sparking interest in this trendy skin treatment — but does it deliver on its promises? Here's what experts think.

this light shield offers three LED colors for anti-aging, to treat acne and to promote brightness. And reviewers say they love their results. "I’ve been using it for several weeks, and my skin ...

Red light therapy promises to boost collagen, reduce wrinkles and clear acne — but does science back it up? Experts discuss the research, benefits and limitations of RLT.