What wavelength or setting of IPL or laser can I use to shrink my hair follicles? I don't want to remove my hair but just make it grow finer. If theoretically, most of the hair is in anagen?
What Wavelength of Laser or IPL Should Be Used?
Doctor Answers 2
What wavelength of laser or IPL is best for "shrinking" hair follicles
It is important that the following are present for best results:
1. Favorable anantomy- lighter skin and dark coarse hair
2. longer wavelength- NdYag Diode to reach deep enouugh to damage living portion of follicle
3. Adequate training and knowlege of laser operator.
see video answer below
Wavelength for thinning hair
The ideal wavelength for hair reduction is between 695nm-810nm. You can't "shrink" the follicles and cause them to grow in thinner, but by removing about 15-20% of the total hair in any given area per treatment, what grows back will appear thinner.