Red and near-infrared LED mask,
does it really help with Small improvement in crow's-feet wrinkle grade?
research showsA home-use 630/850 nm LED mask is rated C because a sham-controlled randomized trial found a small improvement in crow's-feet grade. The peer-reviewed multicenter double-blind original enrolled 60 people, but the group-level actual full-analysis-set primary analysis included 59: 29 test and 30 control participants. Its primary endpoint, independent-rater improvement in the Crow's Feet Grading Scale after 12 weeks, succeeded with an 86.2% improvement rate in the test group. The evidence is limited to one Easy Claire device from one manufacturer, a small Asian sample, 12 weeks of use, and follow-up through week 16. It does not establish generalized skin regeneration, whole-face anti-aging, or long-term persistence.
ads claimPromotion can expand the finding into collagen regeneration, generalized skin repair, whole-face anti-aging, and permanent lifting. The directly demonstrated range is narrower: a small improvement in independently photographed crow's-feet grade after a specified Easy Claire 630/850 nm device was used for 12 weeks. General reversal of skin aging and long-term persistence remain unproven.
Useful facts when choosing a product
- The tested product was one Y&J Bio Easy Claire model emitting 630 nm red and 850 nm near-infrared light at up to 10 mW/cm² each.
- The trial schedule was nine minutes five times weekly for 12 weeks, totaling 60 sessions, with outcomes followed through week 16.
- Home LED devices vary in wavelength, irradiance, distance, and heat management, so one product's result cannot be assumed for every mask.
- Eyes should not be exposed directly and the manufacturer's eye-protection instructions should be followed; people with photosensitive disease or photosensitizing medicines should consult a dermatology or eye-care clinician.
Chamgap Semantic Classification Code
Candidate index · review held
UNK.home-use-red-and-near-infrared-led-mask.UNK.small-improvement-in-crows-feet-wrinkle-grade.improve.shamUnknown > Home-use red and near-infrared LED mask > Unknown > Small improvement in crow's-feet wrinkle grade > Improvement claim > Sham procedure or device
An automated migration candidate, not an issued permanent code; exact claim scope remains under review. This machine-generated migration candidate helps retrieval but is not a permanent assignment. The original verdict ID and URL remain authoritative.
What the research actually shows
The publication form was a peer-reviewed original multicenter randomized double-blind sham-controlled trial in Medicine. Although the abstract describes 60 included participants, the article's group-level full-analysis-set demographics show 29 test and 30 control participants, making the actual primary analysis 59. The primary endpoint was the proportion improving on the Crow's Feet Grading Scale as judged by three independent evaluators after 12 weeks. It succeeded with an 86.2% test-group improvement rate and a 69.5-percentage-point difference from control. Participants used 630 nm and 850 nm light, each at up to 10 mW/cm², for nine minutes five times weekly for 12 weeks, with assessment through week 16. An independent 2014 controlled red and near-infrared light trial also reported improvements in fine lines, roughness, and collagen measures, but it did not replicate the Easy Claire home mask.
Why this is classified as C (45)
The primary independent-rater Crow's Feet Grading Scale endpoint succeeded in the actual full analysis set of 59 in a peer-reviewed sham-controlled trial. The small sample, one Y&J Bio device, 12-week exposure, 16-week follow-up, lack of independent product replication, and narrow modest effect give C with 45 points.
Counterpoint. Sun protection, smoking avoidance, moisturization, and validated topical retinoids remain foundational for fine lines. If choosing an LED device, verify the actual device output, safety testing, and eye protection rather than relying only on wavelength-matching claims.
Rejudgment record. Cross-check applied — C recognizes success of the primary independent-rater crow's-feet endpoint in the actual full analysis set of 59 in a peer-reviewed multicenter sham trial, while applying rule ①-ⓒ for the small sample, one Y&J Bio device, short duration, and no independent product replication
Sub-claim grades by effect
This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.
| Effect (sub-claim) | Grade | Basis |
|---|---|---|
| Improved crow's-feet grade with a 630/850 nm home LED mask | C | The independent-rater primary endpoint succeeded in an actual full analysis set of 59, but the study was small, short, and limited to one device. |
| Improved whole-face skin aging with a 630/850 nm home LED mask | ? | No human trial of this device was found that tested whole-face aging as a prespecified primary clinical efficacy outcome. |
| Long-term persistence of crow's-feet benefit from a 630/850 nm home LED mask | ? | No human efficacy literature for this device was found that tested persistence beyond 16 weeks. |
Cross-check — AI research and Codex final gate
Evidence Table
| Study | Design | Sample | Funding | Endpoint | Result | Weight |
|---|---|---|---|---|---|---|
| Park SH, Park SO, and Jung JA. 2025 | Peer-reviewed original multicenter randomized double-blind sham-device-controlled trial | 60 enrolled; 59 in the actual full-analysis-set primary analysis (29 test and 30 control) | Commercial funding was not stated, but one Y&J Bio Easy Claire device was evaluated; authors reported no financial interests | Primary endpoint of the proportion improving on CFGS by three independent raters at 12 weeks | The primary endpoint succeeded; the full-analysis-set test-group improvement rate was 86.2%, with a 69.5-percentage-point difference from control, meeting the prespecified criterion. | Key direct small single-device randomized trial |
| Wunsch A and Matuschka K. 2014 | Peer-reviewed original prospective randomized controlled light-treatment trial | 136 total participants; 113 light-treated and 23 control | Potential author-company and device interests were reported, limiting independence | Fine lines, wrinkles, skin roughness, and intradermal collagen density | Red and near-infrared light groups improved skin assessments and collagen measures versus control, but this was not a replication of the same home mask. | Supportive wavelength-class evidence with device indirectness |
Receipt — 2 References
All 2 cited sources were verified for existence at the original page (as of 2026-07-24).
Final verification and publication gate: Codex · Evidence date: 2026-07-24 · Corrections: none
Cite this verdict
[Chamgap] Red and near-infrared LED mask x small improvement in crow's-feet wrinkles — Evidence Grade C·45. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/antioxidant-aging/home-red-near-infrared-led-mask-crows-feet-wrinkles/ · CC BY 4.0CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.
What this document does and does not do
Chamgap is an information source. It reports what research has and has not confirmed; it does not tell readers what to take or buy. That decision belongs to readers and, when needed, medical or legal professionals. This verdict reflects literature available up to the search date and may change as new research appears. Nothing here is medical advice.