"Red light therapy provides an optimal amount of light of the right wavelength and, unlike sunlight, it does not damage the skin as red light therapy does not provide UV light. In the best case, the sun can produce the same effect as weak panels, but as a rule, the panels are much stronger, which also saves time. This is how much energy is absorbed by the skin: Light intensity in different contexts:
Irradiance (mW/cm2)
The bedroom 0.01
In direct sunlight 5-8pm
Red light therapy 20-5000
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What does photobiomodulation mean?
What is the difference between red light and near infrared light?