When light hits skin, reflection and scatter occur: some light bounces off the skin surface while much of the light that enters the skin quickly scatters in multiple directions. Surface scatter is beneficial for skin but is counterproductive for reaching deeper tissues like muscle, bone, and brain.

factualpending

Speaker

Unidentified Speaker — Understanding Red Light Dose I Chapter 5 [zO7YQ0JueJI]

Evidence Quote

once the light hits the skin we have what we call reflection and Scatter some of the light bounces out to skin which is what we see a lot of the light enters the skin but quickly scatters in all directions this is good for the skin but what about the deeper underlying tissue like muscles bone and brain

Source

Understanding Red Light Dose I Chapter 5LightpathLED
Created: 8/13/2026, 7:47:20 AM

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