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Red light therapy and PEMF: what they are and what the evidence says.

Woman in a light blue LED face mask sitting cross legged on an infrared mat in a bright room with tall windows, with two other people on mats nearby

Skin Diaries · Guide · Skindays London · Updated 25 October 2026

Red light therapy and PEMF are two popular recovery and skin technologies. Here is what each is, what the evidence says and what to consider before buying.

Red light therapy and PEMF compared.

Red light therapy PEMF
What it is Red and near infrared LED light Pulsed electromagnetic fields from coils
Common use Skin look, texture and radiance Relaxation and recovery
Evidence Modest for fine lines and texture, varies by device Limited for wellness uses, established for some bone healing
Who should check first Pregnancy, photosensitising medication, light sensitive conditions Pacemakers, implants, pregnancy

Red light therapy for skin.

Red light is typically around 630 to 660 nanometres and near infrared around 800 to 850 nanometres. Research suggests it may support collagen and calm the look of redness, but results build slowly over weeks of regular use and vary between people. It is not a replacement for SPF, and it does not treat medical conditions. HigherDOSE suggests at least 10 minutes, three to five times a week with its mask. Follow the manual for timing and eye guidance.

HigherDOSE Red Light Face Mask

HigherDOSE Red Light Face Mask

Why we love it. Hands free, so a session fits around an evening of reading or relaxing, which makes a regular routine genuinely easy to keep.

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PEMF for recovery.

PEMF therapy uses pulsed fields at set frequencies. Clinically it is used for some bone healing. For general wellness, devices are used for relaxation and recovery routines, and evidence for skin or body benefits is still limited, so we describe it as a relaxation tool and not as a treatment. HigherDOSE suggests starting with a 10 to 15 minute session and listening to your body.

HigherDOSE Infrared PEMF Go Mat

HigherDOSE Infrared PEMF Go Mat

Why we love it. Far infrared warmth and four PEMF levels in one mat, a calming ritual for winding down at the end of the day.

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Risks and who should check first.

Please check with your doctor first if any of these apply:

  • Pregnancy or breastfeeding.
  • Medication that increases sensitivity to light.
  • Implanted devices such as pacemakers (PEMF).
  • Eye conditions, or if the mask feels uncomfortable on the eyes.

To layer your skincare around light sessions, see our guide to active ingredients.

Frequently asked questions.

What is PEMF therapy?

PEMF stands for pulsed electromagnetic field. Devices send low frequency pulses through coils. It is used clinically for some bone healing, while wellness devices are marketed for relaxation and recovery. Evidence for skin benefits is limited.

Does red light therapy work for skin?

Studies suggest regular red and near infrared light can modestly improve the look of fine lines, texture and tone over weeks, but evidence quality varies and results differ between people and devices.

Is red light therapy safe?

Used as directed, home devices are generally well tolerated. Follow the manual, protect your eyes if advised, and speak to your doctor if you are pregnant, take medication that increases light sensitivity or have a medical condition.

Can I use PEMF with a pacemaker?

No. PEMF devices are generally not recommended for people with pacemakers or other implanted electronic devices. Always check the manual and ask your doctor.

Keep reading.

Make recovery a ritual.

Explore HigherDOSE light and PEMF devices, chosen for easy, regular routines.

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This guide is for general information and is not medical advice. If you have a skin condition, are pregnant or breastfeeding, or take prescription medication, check with your GP or pharmacist before trying new actives or devices.

Honest. Always. We only recommend what we truly believe in.