{"product_id":"jiancengyu-21b-foil-cutter-replacement-head-for-braun-series-3-wet-dry-shaver-300s-310s-3010s-3040s-340s-4","title":"JIANCENGYU 21B Foil \u0026 Cutter Head for Braun Series 3 – Replacement for 300S\/310S\/340S-4","description":"\u003ch2\u003eRefresh your Braun Series 3 shave with the JIANCENGYU 21B replacement head\u003c\/h2\u003e\n\u003cp\u003eDesigned to breathe new life into your Braun Series 3 electric razor, the JIANCENGYU 21B foil and cutter head combines precision engineering with a thoughtful design that respects your routine. This replacement head is not a guarantee of results, but it can be a practical option to explore when you’re looking for an updated feel and continued performance from your shaver.\u003c\/p\u003e\n\u003cp\u003eFrom the moment you lift it from the package, you’ll notice the attention to detail: robust stainless steel components, a contoured fit that follows facial lines, and a mechanism that supports a lifting-and-cutting approach. If you enjoy a daily grooming rhythm or occasional quick touch-ups before work, this replacement head is sized to fit seamlessly into your existing Braun Series 3 setup and offer a close, comfortable shave when used with compatible models.\u003c\/p\u003e\n\n\u003ch3\u003eBroad compatibility for flexible replacement options\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with Braun Series 3 wet and dry shavers using the 21B head, including popular models like 300S, 310S, and 340S-4.\u003c\/li\u003e\n  \u003cli\u003eDesigned to be a cost-effective replacement that extends the life of your current shaver without changing your routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdvanced engineering for consistent results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUpgraded precision-cutting system uses lifting and cutting technology for a potentially smoother pass over the skin.\u003c\/li\u003e\n  \u003cli\u003eThe design emphasizes a balanced balance of aggressiveness and comfort, so you can adapt to your preferred shave pace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSkin-friendly, contour-conscious design\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel mesh and a contoured frame aim to follow facial contours for an even contact.\u003c\/li\u003e\n  \u003cli\u003eThe head is built to feel steady and comfortable during use, helping you maintain control across tricky areas.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat you get and how to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes the 21B foil and cutter head necessary for replacement; the shaver itself is not included.\u003c\/li\u003e\n  \u003cli\u003eTo install, follow your Braun Series 3 replacement steps and replace every six months for best results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCare and maintenance tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse with water after use and allow to dry to maintain blade integrity.\u003c\/li\u003e\n  \u003cli\u003eKeeping the head clean can help maintain a comfortable shave and extend component life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: While this head alignment and upgrade may help preserve a closer feel, results can vary with personal grooming habits and shaving styles. The information provided reflects the features and typical use cases described, not guarantees.\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: Is the 21B Foil and Cutter Head compatible with Braun Series 3 shavers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It fits Braun Series 3 models with the 21B head, including 300S, 310S, 340S-4, and related versions.\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 foil and cutter?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace roughly every six months to preserve close shaving performance, as recommended for optimal results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JIANCENGYU","offers":[{"title":"Default Title","offer_id":56233942253900,"sku":"B0D1BV3QS6","price":31.23,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/5912\/6860\/files\/jiancengyu-21b-foil-and-cutter-head.jpg?v=1765731204","url":"https:\/\/belvera.co.uk\/products\/jiancengyu-21b-foil-cutter-replacement-head-for-braun-series-3-wet-dry-shaver-300s-310s-3010s-3040s-340s-4","provider":"Belvera | British Beauty, Skin Care \u0026 Personal Wellness","version":"1.0","type":"link"}