{"product_id":"cartridges-for-dr-pen-m8s-a11-a8s-a9-us-warehouse-stock","title":"Cartridges for Dr. Pen M8S \/ A11 \/ A8S \/ A9 US Warehouse Stock","description":"\u003cdiv style=\"border-left: 4px solid #14524A; background: #F5FAF8; border-radius: 0 8px 8px 0; padding: 16px 20px; margin-bottom: 28px;\"\u003e\n\u003cp style=\"margin: 0; line-height: 1.7;\"\u003e\u003cstrong\u003eTwenty genuine Dr. Pen cartridges, held in US stock and shipped domestically.\u003c\/strong\u003e Fits the Dr. Pen M8S, A11 and A8S, the three pens that share this cartridge system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eEach cartridge is a sealed, single-use head that seats on the pen as it comes out of the pack.\u003c\/p\u003e\n\u003cul style=\"margin: 10px 0 6px 0; padding-left: 20px;\"\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eGenuine Dr. Pen cartridges, EO gas sterilised and individually sealed\u003c\/strong\u003e — supplied through the official Dr. Pen supply chain rather than repacked by a third party.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eManufacturing and expiry dates printed on the cartridge itself\u003c\/strong\u003e — both dates travel on the unit, so an undated head is a signal in itself.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eOne cartridge per session\u003c\/strong\u003e — the needles lose their edge after a single pass, so a pack is a count of sessions; the reasoning is in \u003ca href=\"\/en-drpen\/blogs\/news\/can-you-reuse-dr-pen-cartridges-sterility-safety-the-honest-truth\"\u003ewhether Dr. Pen cartridges can be reused\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eA fit that clicks under light pressure\u003c\/strong\u003e — the head seats with a click; a head that resists belongs to a different cartridge system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"color: #000000;\"\u003eChoosing the tip for the area you are treating\u003c\/h3\u003e\n\u003cp\u003eEach pack holds one tip type; the choice comes down to the area you are covering and how much pressure you want on each needle. Depth is set on the pen, so the same tip can be used shallowly or deeply.\u003c\/p\u003e\n\u003cul style=\"margin: 10px 0 6px 0; padding-left: 20px;\"\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eFocused pressure for isolated work — the 12-pin tip\u003c\/strong\u003e — for a single scar, a lip line or a hairline, where fewer needles mean more pressure on each one.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eThe balanced head for full-face routines — the 18-pin tip\u003c\/strong\u003e — 0.18 mm needles on a wavy contact surface, holding even contact across a face-sized area.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eFaster coverage without losing control — the 24-pin tip\u003c\/strong\u003e — the same pressure spread over a wider area, so a full face needs fewer passes.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eEven coverage for body areas — the 36-pin tip\u003c\/strong\u003e — for larger, thicker areas such as the abdomen, thighs and upper back.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eThe densest coverage in this range — the 42-pin tip\u003c\/strong\u003e — the most needles here, for the largest areas, where speed matters more than targeting.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eSerum infusion without puncturing — the Nano-R tip\u003c\/strong\u003e — round nano tips open micro-channels without breaking the surface, for brightening routines.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 7px; line-height: 1.7;\"\u003e\n\u003cstrong\u003eThe same infusion routine over a wider area — the Nano-S tip\u003c\/strong\u003e — the square pattern spreads the same gentle treatment across the forehead, cheeks and décolletage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0889\/1085\/6486\/files\/How_to_Verify_Your_Genuine_Dr._Pen_Cartridge.png?v=1789631143\" alt=\"How to verify a genuine Dr. Pen cartridge\"\u003e\u003c\/p\u003e\n\u003ch3 style=\"color: #000000;\"\u003eComplete Your Microneedling Setup\u003c\/h3\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 6px;\"\u003e\n\u003ca href=\"\/en-drpen\/products\/dr-pen-m8s-wireless-microneedling-pen-us-warehouse-stock\" style=\"flex: 1 1 calc(50% - 5px); box-sizing: border-box; text-align: center; padding: 13px 10px; background: #14524A; color: #ffffff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 13px; line-height: 1.3;\"\u003eDr. Pen M8S Device (US Stock)\u003c\/a\u003e \u003ca href=\"\/en-drpen\/products\/sterile-pure-hyaluronic-aciod-serum-us-warehouse-stock\" style=\"flex: 1 1 calc(50% - 5px); box-sizing: border-box; text-align: center; padding: 13px 10px; background: #14524A; color: #ffffff; text-decoration: none; border-radius: 6px; font-weight: 600; font-size: 13px; line-height: 1.3;\"\u003eSterile Pure Hyaluronic Acid Serum\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top: 40px; border-top: 1px solid #E5E5E5; padding-top: 24px;\"\u003e\n\u003ch2 style=\"text-align: center; color: #000000; margin-bottom: 24px;\"\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eWhich Dr. Pen models does this pack fit?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eThese cartridges fit the Dr. Pen M8S, A11 and A8S, the three current models that share one cartridge system, and each of the seven tip types in this listing seats on all three. Other Dr. Pen and Hydra Pen models — the M8, A6S, A10, A9 and M9 among them — use their own cartridge families, so a pack bought for one of those will not seat on a pen from this group.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eHow long will a 20-piece pack last?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eOne cartridge covers one session, so a pack covers twenty of them. At one session every three to four weeks that is well over a year of facial work. Each cartridge carries a printed expiry date, so check it before buying more than one pack at a time.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eAre these the same cartridges that come with a new pen?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eYes. A new device is supplied with a small starter quantity of one tip type, and this pack holds the same genuine cartridges in a larger quantity, so the two are the same item rather than two standards of the same thing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eIs the treatment depth set by the cartridge or by the pen?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eBy the pen. The cartridge determines how many needles you are working with and how they are arranged, while the depth gauge on the device sets how far they travel — which is why the same tip can be used shallowly and deeply. Safe depths by area are set out in our \u003ca href=\"\/en-drpen\/blogs\/news\/dr-pen-needle-depth-chart-safe-depths-for-every-skin-concern\"\u003eneedle depth guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eWhere is this pack shipped from, and how fast does it arrive?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eUnited States orders are fulfilled from our US stock and ship domestically, arriving in 3–5 business days with no international transit and no customs delay at the border. Orders are processed within 24–48 hours on business days, shipping is free with no minimum order value, and orders to other countries are also shipped free but travel from our international warehouse, so allow the longer times listed in our \u003ca href=\"\/en-drpen\/policies\/shipping-policy\"\u003eshipping policy\u003c\/a\u003e. The terms that apply to returns are in our \u003ca href=\"\/en-drpen\/policies\/refund-policy\"\u003erefund policy\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"border: 1px solid #E5E5E5; border-radius: 8px; margin-bottom: 12px; background: #F5FAF8;\" open=\"\"\u003e\n\u003csummary style=\"padding: 14px 18px; font-weight: bold; font-size: 15px; color: #000000; cursor: pointer;\"\u003eHow should I store cartridges I have not opened yet?\u003c\/summary\u003e\n\u003cdiv style=\"padding: 12px 18px 16px; color: #555555; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cp\u003eKeep them sealed in the blister, dry and out of direct sunlight, and treat the printed expiry date as the limit for the pack. Nothing has to be done to a cartridge before a session — it is fitted to the pen as it comes out of the pack.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Dr. Pen Official Store","offers":[{"title":"12pins 20pcs","offer_id":53969574363430,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"18pins 20pcs","offer_id":53969574396198,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"24pins 20pcs","offer_id":53969574428966,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"36pins 20pcs","offer_id":53969574461734,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"42pins 20pcs","offer_id":53969574494502,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"Nano-R 20pcs","offer_id":53969574527270,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false},{"title":"Nano-S 20pcs","offer_id":53969574560038,"sku":null,"price":39.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0889\/1085\/6486\/files\/1d47c69f6cad8f889752ea569fb0fba7_S580aea4d5c5649fd8f2a0d0e940dc2a6Y.jpg?v=1790651366","url":"https:\/\/www.drpenofficial.store\/en-drpen\/products\/cartridges-for-dr-pen-m8s-a11-a8s-a9-us-warehouse-stock","provider":"Dr. Pen Official Store","version":"1.0","type":"link"}