A.Treatment TheoryStainless steel derma roller uses a knead rod inlayed with numbers of needles,combining with functional nutrition liquid,regularly rolling in the places which needed to cure.It can puncture more than 300,000 micro vessels on the epidermis within five minutes,forming an efficient nutrient delivery system between the epidermis and subcutaneous tissue.Then the nutrition liquid can entry into skin effectively.Thus the effect of skin care become more perfect.Micro-needle therapy is effective, safe and reliable.It is convenient to operate the micro-needle.You can use it in outdoor activities including basking,but please note anti-sunburn supplies are needed.B.Advantages of stainless steel derma roller therapy Does not destroy the structural integrity of the skinGradually remove the skin deep toxins and wasteEstablish a direct transportation between skin and beauty   productPromote the skin metabolismImprove the ability of wound healing and anti-agingNo side effect, safe and reliableSimple operation   Effect is more remarkable than the general beauty products Derma roller micro needle therapy is your best choice for beauty and skin care treatments.C. Parameters of stainless steel derma rollerProduct Name :face and body derma rollerModel Name:YYR-DR01Needle number:540Needle length(mm):0.2, 0.25, 0.3, 0.5, 0.75, 1.0, 1.5, 2.0, 2.5, 3.0Needle material:stainless steelNeedle color:silverRoller color:red, blue, purple, green, yellowBody color:black, whiteSize:13.5cmPackage size:16*4.6*4.1cmD. Effects of stainless steel derma rollerA.Wrinkle removal,acne removal,improve scar,rejuvenation B.The narrow focus of the site(glabellum,wrinkle,scar) C.Shrink pores D.Treatment of striate gravidarum E.Improve wrinkle and fine lines F.Treatment of acne scars and healing woundsG.Derma roller micro needle therapy is very effective for kinds of skin care treatments.1, Derma roller is used for one of the following skin problems:1) Scar Removal – including acne scar removal / treatment 2) Stretch Mark Removal / Treatment 3) Anti Ageing,Anti Wrinkle 4) Cellulite Treatment / Cellulite Reduction or Removal 5) Hair Loss Treatment / Hair Restoration6) Hyper Pigmentation Treatment 2, When using different kinds of needle?You should choose the roller which will be suitable according to its purpose of treatment before operation.Different use examples:1) For the improvement of the skin color:0.2,0.5(used for improvement of the whole skin color,for the solution of partial pigmentation problem,etc)2) For the skin regeneration:1.0 1.5(used for solutions of thin epidermis,thin wrinkle,decline of elasticity,etc)3) For the antii-ageing&rejuvenation of ruined skin:1.5 2.0(used for solutions of thick wrinkle,large pore,injury scar,pimple scar,severe decline of elasticity,etc) 3,How to use:Follow 3 steps of needling to enhance forming channelsHorizontally-vertically-diagonalEach step has to be repeated 3 times at once.4,Clean the Derma roller:Soak about 5-8 minutes with 75% alcohol,Or use ultraviolet to disinfect for about 45 minutes.Do not use autoclaves,steam and high temperature sterilization methods5,Caution:1)Don't re-use head2)Do not share with other person3)Do not roll too much more than indicated time.If treated skin shows hypersensitive response, consult with your doctor.4)Keep the micro needle part always clean5)Store in a safe place out of the reach of childrenQuality AssuranceThe quality management system is comply with ISO9001:2000.  ISO 13485:2003 Quality System CertificateMedical Device Production License issued by SFDAOn-site Gmp InspectionFree sale CertificateCE Certificate