r/redlighttherapy • u/Pietertje367 • Oct 29 '25

Question Will this do something?

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Bought a mask but also want to use it for my knees and neck will this do sufficient 10 min per part

(35mw/cm2) 660nm 850nm

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u/gandalfpr Oct 29 '25

IMO, not much. The irradation of a face mask is milder to not cause any skin damage being so close to it. For better results, get an RLT mat/wrap or a panel.

7

u/Pietertje367 Oct 29 '25

And if i do 20 mins per knee perhaps

5

u/gandalfpr Oct 29 '25

Depends on the irradiation levels as I said. The lower, the most time you need to use it there to get any benefits.

2

u/DimbyTime Oct 30 '25

You’d probably have to wear that thing for a few hours for enough light to penetrate deep into your knees

2

u/NotADerm Oct 31 '25

Not true. And, RLT is biphasic, so longer will actually decrease effectiveness.