Is Red Light Therapy Safe?
If you're considering red light therapy for the first time, safety is usually the first question that comes up.
Short answer: yes, red light therapy is generally considered safe for most healthy adults when used as directed, whether in a clinic or with an at-home device.
Why Is Red Light Therapy Considered Safe?
Red light therapy uses low-level red and near-infrared wavelengths that don't carry the risks associated with UV light. Unlike sunlight or tanning devices, it doesn't damage skin cells or cause burns when used at recommended distances and durations. It's non-invasive, drug-free, and doesn't involve heat in the way a sauna or heating pad does.
Who Should Be Cautious?
Red light therapy isn't automatically right for everyone. It's worth checking with a doctor first if you:
- Are pregnant
- Have a history of skin cancer or any active cancer
- Take photosensitizing medication (some acne treatments, antibiotics, and other prescriptions increase light sensitivity)
- Have a seizure disorder triggered by light
- Have a condition affecting your eyes
What Are the Actual Risks?
Side effects are uncommon and generally mild when devices are used correctly. The most commonly reported issues are:
- Temporary redness or warmth at the treatment site
- Eye strain or discomfort if looking directly into the light without protection
- Mild dryness with very frequent, prolonged use
Most of these are avoidable by following the device's recommended session length and using eye protection where advised.
How to Use Red Light Therapy Safely at Home
- Follow the manufacturer's recommended distance and session time — more isn't automatically better
- Don't stare directly into the panel
- Start with shorter sessions and see how your skin responds before increasing frequency
- Use a device built for therapeutic use, not a repurposed grow light or heat lamp
The Bottom Line
For most people, red light therapy is a low-risk, non-invasive addition to a wellness routine. As with any at-home health device, a quick check with your doctor is worthwhile if you're pregnant, on photosensitizing medication, or managing a serious medical condition. Browse our red light therapy panels to see the devices we use ourselves.
