600NM Red Light Wavelength: IPL devices with shorter wavelengths below 590NM may not be able to reach the hair follicle because the epidermis will absorb the light energy directly, causing unnecessary pain.
600NM Red Light Wavelength: IPL devices with shorter wavelengths below 590NM may not be able to reach the hair follicle because the epidermis will absorb the light energy directly, causing unnecessary pain.