What is red light therapy?
Red light therapy (RLT) is a treatment that uses low levels of red light to reportedly improve your skin's appearance, such as reducing wrinkles, scars, redness, and acne. It is also promoted for other medical conditions.
At this stage, there is ongoing research, many small studies, and broad discussion about effectiveness across different health uses. Some studies show promise, but full effectiveness has not yet been definitively established.
Other names used for red light therapy
- Low-level laser light therapy.
- Low-power laser therapy.
- Non-thermal LED light.
- Soft laser therapy.
- Cold laser therapy.
- Biostimulation, photonic stimulation.
- Photobiomodulation and phototherapy.
