{"product_id":"jiancengyu-21b-shaver-blades-for-braun-series-3-replacement-foil-cutter-head-for-300s-310s-3010s-3040s-340s-4","title":"JIANCENGYU 21B Shaver Blades for Braun Series 3 – Replacement Foil \u0026 Cutter Head for 300s, 310s, 3010s, 3040s, 340s-4","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eRefresh your Braun Series 3 grooming setup with the JIANCENGYU 21B shaver blades. These replacement foil and cutter heads are designed to fit a broad range of Braun Series 3 models, delivering a fresh edge that can help you maintain a clean, well-groomed look between full shaves. While the razor itself isn’t included, this replacement head is built to align with the 21B foil and cutter system for reliable performance.\u003c\/p\u003e\n\n\u003ch2\u003eBroad compatibility\u003c\/h2\u003e\n\u003cp\u003eThe 21B heads are crafted to work with Braun Series 3 wet and dry shavers, including popular models such as 300s, 310s, 3010s, 3040s, and 340s-4, among others. This means you can often extend the life of your current shaver by pairing a trusted, compatible replacement head with your existing device.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorks with a wide range of Braun Series 3 models for both wet and dry use.\u003c\/li\u003e\n  \u003cli\u003eDesigned to pair with 21B foil and cutter configurations for seamless replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAdvanced design for edge and comfort\u003c\/h2\u003e\n\u003cp\u003eFeaturing lifting and cutting technology, the 21B head is engineered to help maintain a capable cutting action across the contours of the face. A stainless steel mesh component is used to fit smoothly against the skin, offering a comfortable glide as you groom.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUpgraded cutting system aims for a close, even pass with less repeated strokes.\u003c\/li\u003e\n  \u003cli\u003eContoured fit helps the blade follow facial lines for a consistent result.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat’s included and how to use\u003c\/h2\u003e\n\u003cp\u003ePackage content focuses on the essential replacement part: the 21B foil and cutter head compatible with Braun Series 3. Note that the actual shaver unit is not part of this package.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes a ready-to-install 21B foil and cutter head.\u003c\/li\u003e\n  \u003cli\u003eRazor\/shaver device must be owned separately; replacement is straightforward with compatible heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCare, maintenance, and replacement cadence\u003c\/h2\u003e\n\u003cp\u003eFor consistent performance, periodic maintenance matters. Clean the head after use and inspect for wear. The manufacturer notes a typical replacement cadence around every six months under normal use to help preserve a close shave and reliable edge.\u003c\/p\u003e\n\n\u003ch2\u003eReal-life use scenarios\u003c\/h2\u003e\n\u003cp\u003eWhether you’re preparing for a workday, a weekend trip, or a busy morning routine, the 21B head offers a practical way to refresh your shaver’s performance. It’s suited for quick refreshes between deeper grooming sessions, providing a balance of efficiency and comfort without claiming guaranteed results.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What is included in the package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A 21B foil and cutter head compatible with Braun Series 3; razor not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the 21B head?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every six months for optimal performance or when you notice reduced shave quality.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JIANCENGYU","offers":[{"title":"Default Title","offer_id":53051466678588,"sku":"B0D1BV3QS6","price":26.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0981\/1876\/2812\/files\/jiancengyu-21b-blade-foil-closeup.jpg?v=1778589244","url":"https:\/\/oseilabeauty.com\/products\/jiancengyu-21b-shaver-blades-for-braun-series-3-replacement-foil-cutter-head-for-300s-310s-3010s-3040s-340s-4","provider":"Oseila Beauty","version":"1.0","type":"link"}