... gem touch cooling system 10HZ scan frequency 808nm Diode Laser for Hair Removal Theory:Diode laser hair removal technology is based on the ... in the spectrum of near-infrared (0.75 ~ 1.5 μm) region, effective to absorb melanin and goes through ... Convention & Exhibition Center, No.80 Caobao Rd, Shanghai, ChinaFactory: 5 Floor, #8 Mawuuanyi Street, West Huangshi Road, Baiyun District, Guangzhou ...