{"product_id":"crest-3dwhitestrips-age-renew-kit-de-tiras-blanqueadoras-21-tratamientos-42-tiras-con-advanced-seal-y-60-min-diarios","title":"Crest 3D Whitestrips Age Renew At-Home Teeth Whitening Kit — 21 Treatments, Advanced Seal for No-Slip 60-Min Results","description":"\u003cp\u003e\u003cstrong\u003eCrest 3DWhitestrips Age Renew is an at-home teeth whitening kit that removes up to 30 years of stains with 21 daily 60‑minute treatments.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for people who want noticeable whitening without professional appointments, this kit uses Crest’s Advanced Seal Technology to keep whitening strips in place while you move, talk, or sip water. Each box contains 42 strips (21 upper, 21 lower) formulated with the same active whitening ingredient dentists use, and the treatment course is engineered to deliver professional-level results at home.\u003c\/p\u003e\n\n\u003ch3\u003eHow long until I see visible whitening results?\u003c\/h3\u003e\n\u003cp\u003eMany users report a visible difference within the first week, with the full course designed for 21 daily applications. Results depend on current tooth color and types of stains, so individual experience will vary.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply strips once daily for 60 minutes for 21 days.\u003c\/li\u003e\n  \u003cli\u003eSome improvement often appears after several treatments.\u003c\/li\u003e\n  \u003cli\u003eMaximum advertised removal (30 years of stains) reflects long-term surface stain reduction over the full course.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the strips stay on while I move around or drink water?\u003c\/h3\u003e\n\u003cp\u003eThe Advanced Seal Technology provides a no-slip grip that helps strips adhere throughout the 60‑minute application. The design allows you to speak and sip water carefully without losing placement, but avoid chewing or vigorous mouth movement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNo-slip adhesive holds strips during normal activities.\u003c\/li\u003e\n  \u003cli\u003eSafe to talk and sip; avoid eating or biting while wearing strips.\u003c\/li\u003e\n  \u003cli\u003eFollow removal instructions to prevent adhesive residue.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these strips enamel-safe and suitable for sensitive teeth?\u003c\/h3\u003e\n\u003cp\u003eCrest 3DWhitestrips Age Renew are formulated to be enamel-safe and use a whitening ingredient similar to what dentists use. However, whitening can increase tooth sensitivity for some users; sensitivity varies and should be monitored during use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated for enamel safety when used as directed.\u003c\/li\u003e\n  \u003cli\u003eSome users may experience temporary sensitivity; discontinue if severe.\u003c\/li\u003e\n  \u003cli\u003eFollow package directions for correct application and removal to reduce issues.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the Age Renew strips correctly?\u003c\/h3\u003e\n\u003cp\u003eClean and dry teeth before application, choose the strip size that fits each tooth row, press gently to adhere, and wear for 60 minutes daily. After removal, discard strips and rinse any remaining residue; complete the 21‑day regimen for best results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBrush and dry teeth before applying strips.\u003c\/li\u003e\n  \u003cli\u003eApply upper and lower strips as indicated; press to seal edges.\u003c\/li\u003e\n  \u003cli\u003eWear 60 minutes, then remove and discard; avoid eating until rinsed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Crest 3DWhitestrips Age Renew is ideal for adults seeking significant surface stain reduction at home—people with long-standing coffee, tea, tobacco, or age-related discoloration who want a dentist‑level whitening option without office visits. It suits those willing to follow a daily routine for three weeks and who understand whitening can cause temporary sensitivity for some users. Not intended for children; follow all package instructions and consult a dental professional if you have concerns about sensitivity or existing dental work.\u003c\/p\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003ePVP, Water, PEG-8, Hydrogen Peroxide, Acrylates Copolymer, Sodium Hydroxide, Sodium Saccharin\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: How long should I wear each Crest 3DWhitestrips Age Renew strip?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Wear each strip for 60 minutes daily. Remove and discard after the time is up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I drink water while wearing the strips?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can sip water gently, but avoid eating or vigorous mouth movements while strips are in place.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Crest","offers":[{"title":"Default Title","offer_id":54584806342995,"sku":"B01INDUUN2","price":75.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1095\/4257\/2371\/files\/crest-3dwhitestrips-frontal-paquete.jpg?v=1786660920","url":"https:\/\/findsworth.co.uk\/products\/crest-3dwhitestrips-age-renew-kit-de-tiras-blanqueadoras-21-tratamientos-42-tiras-con-advanced-seal-y-60-min-diarios","provider":"Findsworth","version":"1.0","type":"link"}