Standards and Safety of Photobiomodulation Devices: What You Need to Know
Not all photobiomodulation devicesare created equal. Choosing a light therapy device also means ensuring its safety, effectiveness, and compliance with European standards. Here are the key points to check before making a purchase or using the device.
Why is safety paramount in PBM?
Photobiomodulation has a deep effect on tissues, mitochondria, and microcirculation. Although it is noninvasive, it can be misused if the device does not meet standards or if protocols are not followed.
👉 See also: Photobiomodulation: Possible Side Effects
👉 And: At-Home Photobiomodulation: Precautions to Take
What standards should you check to ensure an LED device is safe?
CE certification for medical or wellness products
- A PBM device intended for medical use must comply with European Directive 93/42/EEC (medical devices) or Regulation (EU) 2017/745.
- For wellness purposes, CE electromagnetic compatibility (EMC) certification is sufficient, but it does not attest to the quality of the wavelengths or power.
📌 Always choose devices that have been tested, certified, and documented.
Precise wavelengths
A good photobiomodulation device must emit light within specific ranges:
- Visible red: 630–670 nm
- Near-infrared: 810–940 nm
⚠️ Avoid non-targeted “full-spectrum” LEDs or consumer-grade RGB devices.
Controlled Irradiance
- Ideally between 20 and 60 mW/cm² at the typical viewing distance (15–30 cm)
- Too little power = inefficiency
- Too much power = risk of overstimulation
👉 See also: Understanding the biphasic curve
Which devices are safe and have been validated?
Devices Recommended by Bioledtherapy
- PBM-600: CE-certified, ventilated, vertical LED panel with high coverage
- PBM-300: Compact design, perfect for targeted use or beginners
- Vielight Duo 4: Certified transcranial device, for supervised use
- MiltaPad Laptop
Essential Precautions for Safe Use
Usage Tips
- Keep a distance of 20 to 30 cm
- Do not exceed 15 to 20 minutes per area
- Avoid direct exposure to the eyes: safety glasses are recommended to cover the front of the face
- Never use on an undiagnosed lesion, active cancer, or during abdominal pregnancy
👉 See the complete list of contraindications
Frequently Asked Questions
How can you tell if an LED device is compliant?
Check for the CE marking, the exact wavelengths, the power in mW/cm², and the manufacturer's documentation.
Is light that's too bright dangerous?
Yes. Too much power can inhibit the beneficial effects of light (biphasic effect) or cause localized tissue heating. Safety depends on using the correct dosage.
Can we use a device that isn't certified?
This is strongly discouraged. These devices may be ineffective, poorly ventilated, or use non-therapeutic LEDs.
Scientific sources cited
- Safety and Efficacy of Light-Emitting Diode Devices in Photobiomodulation – Avci et al. – 2013 – PubMed
- Standards and Guidelines for Photobiomodulation Devices – Hamblin MR – 2020 – PMC
- European Commission: CE and MDR Guidelines – ec.europa.eu
See also
Our guides
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