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A Simple Guide to LED Light Therapy

LED beauty devices use selected wavelengths of visible and near-infrared light as part of an at-home skincare routine. The wavelength, programme and session time vary by device.

How it works

Light, made easier to understand

01

Selected wavelengths

Each colour represents a different wavelength of light. Your device combines specific wavelengths for each programme.

02

A guided routine

Begin with clean, dry skin, choose the recommended mode and follow the session time stated in the product instructions.

03

Consistent care

LED devices are designed to support a regular skincare routine. Individual experiences and visible results may vary.

Three targeted modes

Choose the programme for your routine

Three targeted LED modes: Balance, Clarify and Comfort

Wavelength guide

Eleven wavelengths, clearly identified

460 nmBlue light Clearer Looking Skin
590 nmYellow light Brighter Even Tone
633 nmRed light Firmer Looking Skin
830 nmNear-infrared Smoother Looking Skin
1072 nmDeep near-infrared Deep Skin Support
480 nmPurple light Calm Looking Skin
520 nmGreen light Balanced Looking Tone
560 nmCyan light Refreshed Looking Skin
600 nmOrange light Revitalised Looking Skin
630 nmRed light Firmer Looking Skin
850 nmNear-infrared light Smoother Looking Skin

Not every Genki Body device includes every wavelength. Please check the individual product specification before use.

Research snapshot

What published research says

These findings relate to the study devices, exposure settings and participants described in each paper. They are provided for education and do not constitute clinical testing of a Genki Body product.

1072
nm

Randomised controlled study

1072 nm near-infrared light

Method: Daily, non-thermal treatment for 6–8 weeks in a prospective, randomised, double-blind, placebo-controlled, self-reported study of the eye area.

Reported result: 52–57% of volunteers correctly identified improvement in fine lines and wrinkles in treated skin; 37–46% reported improvement in under-eye bags.

Research institution: Department of Ophthalmology, Darlington Memorial Hospital, County Durham, UK.

Read the PubMed record →
633
830
1072

Six-week clinical assessment

Combined red and near-infrared light

Method: A wearable LED array combining 633, 830 and 1072 nm was assessed over six weeks using participant satisfaction scales and quantitative digital photography with computer analysis.

Reported result: Participants reported favourable changes, particularly in fine lines, skin texture and youthful appearance. Digital analysis also found favourable changes across several measured skin features.

Research institutions: Department of Dermatology, SUNY Downstate Health Sciences University, and Dermatology Service, Veterans Affairs New York Harbor Healthcare System – Brooklyn Campus, USA.

Read the PubMed record →

Evidence note: A 2022 peer-reviewed review from researchers affiliated with SUNY Downstate Health Sciences University and the VA New York Harbor Healthcare System concluded that 1072 nm is promising but that the clinical evidence remains limited and further research is needed to establish wavelength-specific safety, efficacy and optimal dosing. View the review.

Your life. Your pace. Your care.

When Women Need to Feel Their Best: How LED Light Can Support Your Routine

There is no single way to feel your best, and no deadline to get there. These are natural life stages, not problems to fix. LED may be an optional part of adult skincare — never a requirement, or a shortcut to hormonal balance.

01 · Understanding your body

First Period

A first period is a normal part of growing up. Reassurance, practical information and a trusted adult matter more than a beauty routine. There is no need to change how you look.

LED evidence: The adult skin studies cited here do not establish benefits or safety at first menstruation. We do not recommend self-directed LED use for children; follow age restrictions and seek clinical advice.

NHS: starting your periods

02 · Space for yourself

Postpartum

After birth, care should fit around you — not the other way round. There is no pressure to “bounce back”. A simple skincare routine can be enough; LED is optional, not a recovery essential.

LED evidence: General adult facial studies do not establish postpartum-specific benefits or breastfeeding safety. Check the device instructions and ask your GP or midwife before use, particularly when breastfeeding. Facial beauty devices are not treatments for birth injuries or postnatal symptoms.

NHS: your post-pregnancy body

03 · Care that adapts

The Start of Menopause

The transition often begins with perimenopause, before periods stop. Skin may feel drier or itchier. Adapt your skincare gently; a suitable red LED device may be an optional addition for the appearance of fine lines.

LED evidence: Adult facial research is not proof of benefit at menopause onset. It does not show that a beauty device balances hormones or treats hot flushes, sleep difficulties or other menopause symptoms. Speak to your GP for symptom support.

NHS: menopause and perimenopause

What the research can — and cannot — tell us

A 2025 sham-controlled trial of a 660 nm LED mask in 95 women aged 45–60 found improvements in some measured wrinkle lengths and satisfaction, but not in the specialists’ overall wrinkle scale. It did not establish benefits at menopause onset or assess hormonal balance. Read the study (Bragato et al., 1 April 2025).

The American Academy of Dermatology describes promising skin-appearance findings, while noting uncertainty about home devices and long-term effects. Results depend on the device and settings and are not guaranteed. These sources are not clinical testing or endorsement of Genki Body products.

Before using LED: Follow the product’s age limits, session guidance and eye-protection instructions. Check with a healthcare professional about light-sensitive conditions, photosensitising medicines, pregnancy or breastfeeding. Stop if irritation occurs. LED skincare is not a substitute for medical care.

Sources & further reading · checked 19 October 2026

Use your device safely

✓ Do not look directly into illuminated LEDs. Use the supplied eye protection where instructed.

✓ Do not use on broken or irritated skin unless the product instructions confirm it is suitable.

✓ Ask a healthcare professional before use if you have a light-sensitive or eye condition.

✓ Check with a healthcare professional if you take photosensitising medication.