Red Light Therapy for Skin UK: Does It Really Work?
This guide has been folded into our fuller, regularly updated coverage: Red Light Therapy UK 2026: Does the Skincare Trend Actually Work?.
Everything covered here – how red and near-infrared light work on skin, what the trials found, which wavelengths and irradiance figures to look for in a device, who should check with a GP first, and how long it takes to see results – now lives in that guide, alongside an FAQ. Please head over for the current version.
Useful sorting of claims-vs-evidence on red light therapy. The wavelength distinction (630-660nm vs 800-850nm) is the thing most UK marketing skips over – and it matters because the benefits cited for each are different. For anyone who has stuck with an at-home panel for three months or more, did you actually see the collagen-related changes, or just the short-term glow?
The wavelength point is the one I wish I’d known a year ago. Bought a cheap mask off Amazon, used it religiously for three months, turns out it was pumping out something nearer 520nm which doesn’t really do much beyond mood stuff. Paid double for a proper CurrentBody one and the difference in skin tone was actually visible within six weeks.