As with other laser therapy devices, the scientific concept for LLLT is that light emitted from the laser stimulates the growth of hair and reduces hair loss. This process, called photo-biotherapy, occurs when laser light is absorbed by cells and stimulates their metabolism and protein synthesis.

Kiierr Laser Hair Growth Caps use the same laser diode wavelength and output power per laser as many other FDA-cleared LLLT devices; however, it has 272 laser diodes. Most of our competitors’ devices have around 200 laser diodes and are, therefore, less effective. For the price, this is one of the top LLLT devices on the market with 272 laser diodes.
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