In general, hair growth goes through three main stages: the growth phase, recession phase and telogen phase. More melanin are found in the hair follicle in the growth phase, less in the regressive phase
phase, and no melanin in the telogen phase.

 

Gentle Diode laser therapeutically damages follicular growth. Telogen  will continue to transform into growing hair follicles. Few treatments may be needed to cover all follicles growth stages and permanently remove hair.

The Gentle Diode laser has the following wavelength characteristics:

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(1) The 755nm wavelength [ideal for lighter/white skin] is the best absorption wavelength for melanin. While using
laser selective photothermal principle, It directly targets melanocytes in hair
follicles to offer effective follicles destruction with outstanding performance especially on legs hair, beard, bikini facial hair, body hair etc...

(2)810nm wavelength [ideal for fair/yellow skin]  has good uniformity with better penetration. Similarly to the 755nm, the selective
photothermal principle effect is involved in the permanent hair reduction. 

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(3) The wavelengths of 940 and 1064 nm [ideal for darker skin] has the advantages of deep penetration, long pulse width,
and wide range of energy density, etc. It is suitable for hair removal of different skin types and improvements of many vascular conditions.
(especially skin type IV ~ VI)