Detailed Product Description 1.540 Needles Photon Derma roller 2.Have Sterilized 3.Use Seal Packing 4.Red,Yellow,Green,Blue 5.Can change the head Derma Roller theory: The micro needle therapy use natural method stimulates the ossein proliferation, but cannot destroy the skin cuticles, thus awakens and promotes the regeneration function of flesh, is helpful to desalinate the wrinkle and the color spot, improves the skin sense of reality,mixes well the skin color and the increase skin elasticity, causes you bright-colored  to  illuminate the  person,  the reply  youth. Parameter: -9 disks x 60needles (540 needles in total) -roller color:purple / red for choice -Needle material: Medical Purpose Stainless Steel(safe and durable) -Body Material: Plastic, black color -Special a method of construction by lock-up -50% improvement of needles strength than a normal material Use Methods: CR10 1.0mm                     CR5 0.5mm lmprove Wrinkle,               Skin Whitening, Collagen Induction,            lmprove skin pigmentation, lmprove Skin Scar,             lmprove wrinkle (eye area), Cellulite treatment,           lmprove Alopecia, Skin Thickness,                Collagen Induction, Face Firming,                  Drug delivery Face Body Lifting CR2 0.2mm                     CR20 2.0mm Skin Restoration,              Dark sore concavex hole lmprove Alopecia,              Pimple scar Homecare Therapy,              Severe decline of elasticity Active ingredient delivery CR15 1.5mm Pregnancy lines Thick wrinkle Large pore Photon Therpay Theory: Biological thissue of human body can absorb light and convert light energy into heat and chemical energy which can lead to a series of chemical reactions---photon decomposition,photon oxidation,photon polymerization,photon sensitzation,different wave length have different fucntions. There is totoal 4 photon for choose:Red,Yellow,Blue,Green. 405NM Blue: It is mainly for acne and inflammation skin with functions of antibiosis,anti-inflammatory,refraining excessive sebum secretion,making skin smooth and glossy. 633NM Red: It can help to heal up the invasive skin.The growth of muscle and skin cell is 5 times narmal gowth speed,improving organism resistance and metabolism.The light can be absorbed by cell chondriosome and lead to enzymatic reaction. 590NM Yellow:It can give energy for the skin ,improve immunity ability for the skin. 560NM Green: It be used to relax the skin ,let the patient get relaxed from hard work. Packing: 50 pcs/CTN Size: 40cm X 40cm X 38cm