Evidence-based, never hype
Light therapy that’s actually been studied.
Honest reviews of red-light masks, panels, and devices — grounded in clinical trials and independent lab data. So you can care for your skin with something that works, not just something that glows.
- 44 cited studies
- 20 devices measured
- Zero paid placements
- Wirecutter-style rigor for light therapy
- Independent spectrometer data
- Every FDA clearance verified
- No manufacturer pays for coverage
Where most people start
The questions we hear most — answered with evidence, not marketing.
SkincareBest LED Face Masks, Honestly Compared
Which masks hold a real 510(k) clearance — and which claim 70 mW/cm² but deliver 8 on a spectrometer.
2,841 words · 4 cited RCTs →
HairRed Light for Hair Growth: FDA-Cleared and Evidence-Based
The three laser caps with genuine clearances, the trials behind them, and what “cleared” really promises.
2,526 words · Evidence: Strong →
SafetySide Effects, Dangers & Contraindications
Low-risk, not no-risk. Who should skip it, what the eye-safety data says, and the myths to ignore.
2,354 words · honestly graded →Our signature
We grade the evidence, so you don’t have to trust a brand.
Every claim on the site carries an evidence badge — Strong, Moderate, or None — tied to the actual clinical literature. No stars we made up. No sponsored enthusiasm.
- Collagen & wrinkle reductionStrong · RCT
- Androgenetic hair lossStrong · RCT
- Acne (blue + red)Moderate
- Fat loss & “detox” claimsNo evidence
Free tool
Are you actually getting a dose?
Most people underdose without knowing it. Enter your device’s numbers and see your J/cm² against the ranges the research supports.
See our device picks →