Red Light Therapy: Fad or Future?

Red light therapy, also known as photobiomodulation, is a non-invasive treatment gaining popularity among celebrities and the public for its purported health benefits. This method utilizes near-infrared light from LED devices or lasers to stimulate mitochondria within cells, supporting cell growth and function.

Research indicates that red light therapy can help increase collagen production, improve various skin conditions, reduce inflammation from sun damage, and promote healing. It may also offer pain relief by reducing inflammation and stimulating cell production.

Evidence suggests red light therapy can aid in hair regrowth by widening blood vessels that supply nutrients to hair follicles. The FDA has cleared several devices for at-home use for skin and hair thinning treatments. Some studies also explore its potential in improving cognition for individuals with dementia.

While promising, not all claimed benefits, such as those for erectile dysfunction or chronic pain, have strong scientific validation. Experts emphasize that more quality studies with larger participant numbers are needed to fully support many applications. However, when used as directed, red light therapy is considered safe, with potential for mild side effects like temporary skin irritation.