EN 813071434 secret rf equipment fractional microneedling radio frequency gold rf micro needles machine face tightening stretch mark removal neck lifting
gold plated needles needle is durable and also has high biocompatibility by applying gold plating. patient with metal allergy could also use it with not concerning contact dermatitis. non insulated needles it is possible to operate equal therapy to epidermis layer and dermis layer as the needle do not have insulation plating. different to existing solenoid type, the needle inserts to the skin smoothly with no shock, and causes no bleeding and no pain after the procedure. precise depth control. 0.5~5.0m operates epidermis layer and dermis layer by controlling the needle depth in unit of 0.1mm elaborate needle thickness. min : 0mm < max : 0.3mm.syi