Is it possible to improve skin complexion, skin appearance simply by using light?
Photobiomodulation (PBM) is a therapeutic use of low-intensity light, typically in the visible and infrared (IR) wavelengths, that has been demonstrated to be efficacious in the treatment and prevention of numerous skin conditions¹.
Red and near-infrared light-induced photobiomodulation therapy appears to emerge as a promising drug-free approach for promoting wound healing, reduction in inflammation, pain and restoration of function owing to penetration power in conjunction with their ability to positively modulate the biochemical and molecular responses².
The absorption of red/near-infrared light energy, a process termed "photobiomodulation," enhances mitochondrial ATP production, cell signaling, and growth factor synthesis, and attenuates oxidative stress³.
Specifically for those looking for skin rejuvenation: PBM can help improve blood flow and circulation by increasing the formation of new capillaries and generating collagen. Collagen is a protein that provides structure to the skin and other tissues. PBM can also increase fibroblast production which makes collagen. Fibroblasts are cells that produce collagen and other extracellular matrix proteins. PBM can also increase blood circulation to the tissue and reduce inflammation in cells.
A controlled trial was conducted to determine the efficacy of red and near-infrared light treatment in patient satisfaction, reduction of fine lines, wrinkles, skin roughness, and intradermal collagen density increase. Broadband polychromatic PBM showed no advantage over the red-light-only spectrum⁴.
The benefits of using "at home" LED masks over invasive procedures include convenience, affordability, safety, and ease of use. LED masks are non-invasive and do not require recovery time like invasive procedures do. They can be used at home at any time that is convenient for the user⁵. LED masks have been shown to improve skin texture, reduce fine lines and wrinkles, and increase collagen density.
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References:
(1) https://esmed.org/MRA/mra/article/view/1610 Accessed 12/04/2023.
(2) https://pubmed.ncbi.nlm.nih.gov/27943458/ Accessed 12/04/2023.
(3) https://pubmed.ncbi.nlm.nih.gov/33471046/ Accessed 12/04/2023.
(4) https://pubmed.ncbi.nlm.nih.gov/24286286/ Accessed 12/04/2023.
(5) https://academic.oup.com/asj/article/41/6/723/6104785 Accessed 12/04/2023.