{"product_id":"dr-pen-m8-cartridges-20-pack","title":"Dr. Pen M8\/M7S Replacement Cartridges (20 Pack)","description":"\u003ch2\u003eProduct identity\u003c\/h2\u003e\u003cp\u003eDr. Pen M8\/M7S Replacement Cartridges (20 Pack) are replacement microneedling cartridges for buyers who need the M8\/M7S cartridge path for the \u003ca href=\"\/products\/dr-pen-ultima-m8\"\u003eDr. Pen M8 Ultima Microneedling Pen\u003c\/a\u003e or a compatible M7S device path.\u003c\/p\u003e\u003ch2\u003eCompatible device path\u003c\/h2\u003e\u003cp\u003eThis listing is for Dr. Pen M8 and M7S cartridge compatibility. Confirm the exact device model before choosing a pin-count or nano cartridge variant.\u003c\/p\u003e\u003ch2\u003eBest-fit audience\u003c\/h2\u003e\u003cp\u003eThis page is for M8 or M7S owners comparing replacement cartridge options, pack size, all-rounder device routines, and single-use cartridge planning.\u003c\/p\u003e\u003ch2\u003ePain or unmet need\u003c\/h2\u003e\u003cp\u003eThe common buying problem is choosing by 16-pin, nano, or routine keywords before confirming cartridge compatibility. M8\/M7S cartridges should be selected by model fit first, then by variant option and product instructions.\u003c\/p\u003e\u003ch2\u003eDecision variables\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePack size: 20 replacement cartridges.\u003c\/li\u003e\n\u003cli\u003eCompatibility gate: confirm the device is Dr. Pen M8 or M7S.\u003c\/li\u003e\n\u003cli\u003eVariant options on this listing: 11 Pin, 16 Pin, 24 Pin, 36 Pin, 42 Pin, Nano Round, Nano 5D, Nano 3D, and Nano W.\u003c\/li\u003e\n\u003cli\u003eRoutine planning: choose by M8\/M7S compatibility, intended area, comfort, and product instructions.\u003c\/li\u003e\n\u003cli\u003eRisk variables: use a fresh compatible cartridge, avoid reuse, and do not mix cartridge families.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eUse boundary\u003c\/h2\u003e\u003cp\u003eThis page is compatibility and product-selection guidance. It does not diagnose, treat, or guarantee hair, scar, acne, or skin outcomes. For hair-loss diagnosis, active acne, infection, keloid history, medication concerns, pregnancy concerns, severe scarring, or uncertain skin conditions, consult a licensed professional before device use.\u003c\/p\u003e\u003ch2\u003eQuestions this page answers\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDo these cartridges fit Dr. Pen M8 or M7S?\u003c\/li\u003e\n\u003cli\u003eWhich M8\/M7S cartridge variants are available?\u003c\/li\u003e\n\u003cli\u003eWhy should M8\/M7S buyers check compatibility before pin count or nano style?\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eRelated decision paths\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/products\/dr-pen-ultima-m8\"\u003eM8 device page\u003c\/a\u003e · \u003ca href=\"\/pages\/microneedling-buying-clarification-map\"\u003eBuying clarification map\u003c\/a\u003e · \u003ca href=\"\/pages\/audit-standards\"\u003eAudit standards\u003c\/a\u003e · \u003ca href=\"\/pages\/faqs\"\u003eFAQ\u003c\/a\u003e\u003c\/p\u003e","brand":"Dr. Pen","offers":[{"title":"11 Pin","offer_id":49567508693277,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"16 Pin","offer_id":49567508726045,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"24 Pin","offer_id":49567508758813,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"36 Pin","offer_id":49567508791581,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"42 Pin","offer_id":49567508824349,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Nano Round","offer_id":49567508857117,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Nano 5D","offer_id":49567508889885,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Nano 3D","offer_id":49567508922653,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"Nano W","offer_id":49567508955421,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0913\/0544\/3613\/files\/1_f4aee394-5d19-453a-ac15-a34d3831b1c3.jpg?v=1736670101","url":"https:\/\/drpenx.com\/products\/dr-pen-m8-cartridges-20-pack","provider":"drpenx","version":"1.0","type":"link"}