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Q：What Are the Benefits of Red Light Therapy?

A：Red light therapy may help calm inflammation, support the skin barrier, boost collagen production, and aid recovery after in-office treatments like lasers. dr. Gohara describes it as more of a skin-soothing and maintenance tool than a dramatic, overnight fix.

When red light is combined with blue light, it may also help improve breakouts. Blue light targets P. acnes bacteria, while red light helps reduce the inflammation that comes with acne, explains Dr. Obayomi. Research shows that using both together can lead to fewer breakouts over time, with studies reporting noticeable improvements after several weeks of consistent use.

Dat gezegd hebbende, it’s important to keep expectations in check. At-home light therapy devices typically deliver lower-intensity light (often around 5–40 mW/cm²) than professional treatments (which can exceed 50 mW/cm²), so results tend to be more gradual and depend on consistent, regular use. As Dr. Obayomi notes, regular use over months—not days—is what’s most likely to lead to visible changes.

Q：What exactly is red light therapy?

A：It’s a non-invasive treatment that uses red or near-infrared light. Also called photobiomodulation, a few dermatologists offer it to treat acne, signs of aging like wrinkles, hair loss, and other conditions. The red light that dermatologists offer is more powerful than that found in devices sold for at-home use.

To give their patients the best results, dermatologists typically recommend red light as a complementary therapy. This means, it’s part of a treatment plan that uses standard therapy. For example, when treating signs of aging, your dermatologist may add red light to a treatment plan that includes a medicated cream, microneedling, or a chemical peel. Tailored skin care may also be part of this treatment plan.

To help you maintain results after in-office treatment, your dermatologist may recommend using an at-home red-light device.

Whether you want to use red light after receiving treatment from a dermatologist or to try it on your own, you’ll find plenty of options. Red-light wands, masks, and other devices are sold for treating the skin. Caps, combs, and helmets are sold for regrowing hair. Most at-home devices contain light emitting diodes (LED), which are considered safe for home use. You’ll also find devices sold for at-home use that have low-level lasers.

Q：How often do you have to use red light therapy?

A：This is not a one-and-done treatment. When using a red-light device at home, you’ll need to use it regularly. The amount of time needed varies, so follow the directions that come with the device.

Keep in mind that it takes time to see the results and not everyone sees them.

When treating signs of skin aging or hereditary hair loss, either in a dermatologist’s office or at home, you’ll need follow-up treatments. This is necessary because skin continues to age, and we continue to lose hair.