1. Cut or shave hair to 1-2mm or ask patients to shave at home 2-3 days before treatment. 2. Clear treatment area. 3. Turn on machine, adjust the parameter, set it to 'standby' . 4. Put cooling gel on treatment area about 2mm. 5. 808nm diode laser: Wear protect glasses for patient and operator. 6. Shot the treatment area, let the crystal tip closely touch cooling gel, permitted to have 1/3 overlapping on treatment area. 7. Wipe off cooling gel after treatment and clear treatment area with cooling water. If patients feel warm or hot, you may put ice bag on treatment area until heat disappear. German Laser Chip Hair Removal Machine Application: 755nm, most effective on white and more light color skin type 1064nm, made for treating darker and black color skin types 808nm, most effective for white to medium tan color skin types All unwanted hair parts of the body, such as lip hair, whiskers, armpit hair, body hair, bikini hair. More information you can click here Wavelength 808nm, 755nm, 1064nm Working frequency 1~10hz Energy density 1-120J/cm² Handle piece cooling TEC+Sapphire TEC cooling 12V6A Spot size 15*15mm/15*20mm/20*25mm/25*31mm ( optional ) Output power 600W,900W,1200W ( optional ) Laser chips Germany laser Jenoptik,150W/piece