What is the difference between the Red (630nm) and Infrared (850nm) LED lights?

Q: What is the difference between the Red (630nm) and Infrared (850nm) LED lights?

[fusion_builder_container type="flex" hundred_percent="no" equal_height_columns="no" hide_on_mobile="small-visibility,medium-visibility,large-visibility" background_position="center center" background_repeat="no-repeat" fade="no" background_parallax="none" parallax_speed="0.3" video_aspect_ratio="16:9" video_loop="yes" video_mute="yes" border_style="solid"][fusion_builder_row][fusion_builder_column type="1_1" layout="1_1" background_position="left top" border_style="solid" border_position="all" spacing="yes" background_repeat="no-repeat" margin_top="0px" margin_bottom="0px" animation_speed="0.3" animation_direction="left" hide_on_mobile="small-visibility,medium-visibility,large-visibility" center_content="no" last="true" hover_type="none" min_height="" link="" background_blend_mode="overlay" first="true"][fusion_text fusion_font_variant_text_font="300" fusion_font_family_text_font="Roboto"] Think of it in terms of depth: 630nm (Red): Works on the epidermal and upper dermal layers . Its primary job is to energize skin cells (fibroblasts) to produce more collagen. 850nm (Infrared): Penetrates into the deeper dermal layers . Its primary job is to boost circulation and cellular energy (ATP), aiding in repair and soothing the skin. [/fusion_text][/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

Think of it in terms of depth:

630nm (Red): Works on the epidermal and upper dermal layers. Its primary job is to energize skin cells (fibroblasts) to produce more collagen.
850nm (Infrared): Penetrates into the deeper dermal layers. Its primary job is to boost circulation and cellular energy (ATP), aiding in repair and soothing the skin.