{"product_id":"dr-pen-m8s-a9-a11-microneedling-needle-cartridge-replacement","title":"Dr. Pen M8S Cartridge – A8S \/ A9 \/ A11 Microneedling Needle Cartridge Replacement | Anti-Backflow Drpen Cartridge Tips","description":"\u003cp\u003e\u003cstrong\u003eThis listing is for replacement needle cartridges only. The Dr.pen device is sold separately.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eProfessional Microneedling Cartridges for Dr.pen M8S, A8S, A9 \u0026amp; A11\u003c\/h2\u003e\n\u003cp\u003eEngineered for precision and hygiene, these replacement needle cartridges are fully compatible with Dr.pen M8S, A8S, A9, and A11 devices. The advanced anti-backflow design prevents fluid from entering the handpiece, protecting both the device and the client during every treatment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Needles:\u003c\/strong\u003e Medical-grade stainless steel ensures durability and resistance to corrosion for a more hygienic microneedling experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnti-Backflow Function:\u003c\/strong\u003e Prevents fluid from flowing back into the device, reducing contamination risk and ensuring safer treatment.\u003c\/li\u003e\n\u003cli\u003eAvailable in 7 pin configurations: 12PIN, 18PIN, 24PIN, 36PIN, 42PIN, Nano-S, Nano-Round\u003c\/li\u003e\n\u003cli\u003eSingle-use, sterile cartridges — individually sealed for hygiene compliance\u003c\/li\u003e\n\u003cli\u003eSmooth glide tip reduces drag and minimizes discomfort during treatment\u003c\/li\u003e\n\u003cli\u003eCompatible with Dr.pen M8S, A8S, A9, and A11 handpieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePin Configuration Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12PIN \/ 18PIN \/ 24PIN\u003c\/strong\u003e — General skin rejuvenation, fine lines, and texture refinement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36PIN \/ 42PIN\u003c\/strong\u003e — Deeper treatment areas, scar revision, and stretch marks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNano-S\u003c\/strong\u003e — Superficial serum infusion, sensitive skin, and periorbital areas\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNano-Round\u003c\/strong\u003e — Broad surface coverage, scalp treatments, and product absorption\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAttach the cartridge to your Dr.pen M8S, A8S, A9, or A11 handpiece until it clicks into place\u003c\/li\u003e\n\u003cli\u003eSelect the appropriate needle depth and speed setting on the device\u003c\/li\u003e\n\u003cli\u003eApply a thin layer of serum or numbing cream to the treatment area\u003c\/li\u003e\n\u003cli\u003eGlide the pen in overlapping passes across the skin\u003c\/li\u003e\n\u003cli\u003eDiscard the cartridge after each use — do not reuse\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: Dr.pen M8S, A8S, A9, A11\u003c\/li\u003e\n\u003cli\u003eAvailable pin types: 12PIN, 18PIN, 24PIN, 36PIN, 42PIN, Nano-S, Nano-Round\u003c\/li\u003e\n\u003cli\u003eAdjustable needle length: 0 – 2.5 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: Medical-grade stainless steel needles, ABS housing\u003c\/li\u003e\n\u003cli\u003eSterility: Single-use, individually packaged\u003c\/li\u003e\n\u003cli\u003eAnti-backflow: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Replacement Needle Cartridge (pin type selected at checkout)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/A9_4.jpg?v=1786776631\" alt=\"Dr. Pen M8S replacement needle cartridges anti-backflow microneedling cartridge tips compatible with M8S A8S A9 A11 - iTech Aesthetics\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/A9_5.jpg?v=1786776631\" alt=\"anti-backflow dr pen cartridge with 3-slot lock bayonet connection sealed membrane preventing serum backflow during microneedling\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/dr-pen-m8s-cartridge-a8s-a9-a11-microneedling-needle-cartridge-replacement-anti-backflow-drpen-cartridge-tips-9864150.jpg?v=1786805892\" alt=\"Dr. Pen M8S cartridges 12-pin 18-pin 24-pin 36-pin 42-pin replacement needle options for face and body microneedling\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/dr-pen-m8s-cartridge-a8s-a9-a11-microneedling-needle-cartridge-replacement-anti-backflow-drpen-cartridge-tips-6163271.jpg?v=1786805892\" alt=\"individually sealed sterile dr pen replacement cartridges disposable single-use microneedling needle heads for hygienic treatment\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/A9_7.jpg?v=1786776631\" alt=\"round nano R and square nano S dr pen cartridges for BB glow skin brightening serum absorption and nano needling\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/A9_6.jpg?v=1786776631\" alt=\"36-pin replacement cartridges for dr pen M8S A8S A11 large area body treatment stretch marks scalp hair loss cellulite reduction\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/A9_8.jpg?v=1786776631\" alt=\"surgical-grade stainless steel dr pen derma pen needles 0.18mm ultra-fine for acne scars wrinkles fine lines collagen induction\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eAre these cartridges compatible with all Dr.pen models?\u003c\/h3\u003e\n\u003cp\u003eThese cartridges are specifically designed for Dr.pen M8S, A8S, A9, and A11 handpieces. They are not compatible with other Dr.pen models such as M7, A6, or A7. Please confirm your device model before ordering.\u003c\/p\u003e\n\u003ch3\u003eHow many times can I use one cartridge?\u003c\/h3\u003e\n\u003cp\u003eThese are single-use, sterile cartridges. Each cartridge must be discarded after one treatment session. Reusing cartridges compromises sterility, increases infection risk, and causes needle blunting that reduces treatment effectiveness.\u003c\/p\u003e\n\u003ch3\u003eWhich pin type should I choose for my treatment?\u003c\/h3\u003e\n\u003cp\u003eUse 12PIN–24PIN for general skin rejuvenation, fine lines, and texture improvement. Choose 36PIN or 42PIN for scar revision, stretch marks, or deeper treatments. Nano-S is ideal for sensitive areas and serum infusion; Nano-Round suits scalp treatments and broad surface coverage.\u003c\/p\u003e\n\u003ch3\u003eWhat is the anti-backflow feature and why does it matter?\u003c\/h3\u003e\n\u003cp\u003eThe anti-backflow mechanism uses a one-way valve to prevent serum, blood, or bodily fluids from entering the handpiece during treatment. This protects the device from internal contamination and is essential for maintaining hygiene standards in professional clinic settings.\u003c\/p\u003e\n\u003ch3\u003eWhat depth setting should I use?\u003c\/h3\u003e\n\u003cp\u003eStart at 0.25mm for sensitive or thin skin and gradually increase based on treatment goals. Face rejuvenation typically uses 0.25–0.5mm; scar and stretch mark protocols use 1.0–1.5mm. Always follow professional guidelines and client tolerance.\u003c\/p\u003e\n\u003ch3\u003eAre these cartridges sold individually or in packs?\u003c\/h3\u003e\n\u003cp\u003eEach listing is for one individual cartridge. Select your preferred pin type at checkout. Bulk pricing is available — contact us for clinic and studio orders.\u003c\/p\u003e","brand":"iTech Aesthetics","offers":[{"title":"12PIN","offer_id":47959126114441,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"18PIN","offer_id":47959126147209,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"24PIN","offer_id":47959126179977,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"36PIN","offer_id":47959126212745,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"42PIN","offer_id":47959126245513,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"Nano-S","offer_id":47959126278281,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true},{"title":"Nano-Round","offer_id":47959126311049,"sku":null,"price":1.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/9017\/7417\/files\/dr-pen-m8s-cartridge-a8s-a9-a11-microneedling-needle-cartridge-replacement-anti-backflow-drpen-cartridge-tips-9957711.jpg?v=1786805948","url":"https:\/\/itechaesthetics.com\/es\/products\/dr-pen-m8s-a9-a11-microneedling-needle-cartridge-replacement","provider":"Guangzhou Itech Aesthetics Co.,Ltd","version":"1.0","type":"link"}