Low-level laser is a cold or soft coherent light that renders photobiostimulation, a natural process comparable to photosynthesis, and vasodilation, the expansion of the blood vessels. Both of these processes stimulate hair growth.
Studies show that LLLT is very effective against diffuse hair loss, which is characteristic of FPHL. However, it only shows effectiveness in treating mild to moderate cases of FPHL. Nevertheless, it does not put anyone at any significant risk.
A proven hair loss treatment, LLLT is now widely practiced around Europe and America for this purpose. Its popularity paved the way for the development of handheld devices that integrate the technology. With these devices, LLLT has become even more accessible and efficient.

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