... principle to stimulate the collagen in dermis, to lead the collagen to regenerate to get the ideal treatment effect.IPL/RF hair removal Beauty ... Pores, Anti-sallow, Removal Blackhead and Whitehead. Category of Hair Removal: chest,leg,mustache,armpit,bikini line, forearm and so ... , the treatment head can reach freeze within 5 minutes, to reduce the pain,protecting the skin at every moment.OPT, the ...