{"product_id":"crest-3d-whitestrips-levels-12-whiter","title":"Crest 3D Whitestrips Levels 12 Whiter","description":"\u003cp\u003e\u003cstrong\u003eCrest 3D Whitestrips Levels 12 Whiter\u003c\/strong\u003e is the strongest course in the range, made for teeth with \u003cstrong\u003eyears of built-up staining\u003c\/strong\u003e from coffee, tea, red wine or smoking — the kind that a short course barely touches.\u003c\/p\u003e\u003cp\u003eIt uses the same \u003cstrong\u003ehydrogen peroxide\u003c\/strong\u003e chemistry as professional whitening, over a longer course so the peroxide has time to break down pigment deep in the enamel. Rated to lift teeth \u003cstrong\u003e12 shade levels\u003c\/strong\u003e on a dental shade guide. \u003cstrong\u003eEnamel-safe\u003c\/strong\u003e when used as directed.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow to use:\u003c\/strong\u003e apply the upper and lower strips along the gum line once a day for the time stated on the pack. Complete the full course — the result is cumulative.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWho is this course for?\u003c\/strong\u003e\u003cbr\u003eTeeth with heavy, long-standing staining. If your teeth are only slightly dull, a shorter course will be enough and gentler.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it make my teeth sensitive?\u003c\/strong\u003e\u003cbr\u003eA longer, stronger course raises the chance of temporary sensitivity. Skip a day if it becomes uncomfortable and use a sensitivity toothpaste.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work on yellow teeth caused by age?\u003c\/strong\u003e\u003cbr\u003ePartly. Peroxide works on stains in the enamel. Yellowing from thinning enamel showing the dentine underneath does not respond — that needs a dentist.\u003c\/p\u003e","brand":"Crest","offers":[{"title":"Default","offer_id":49551304917248,"sku":null,"price":30.0,"currency_code":"JOD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0855\/2608\/5888\/files\/1_298be86b-7250-4136-b361-6ee43304e3ed.webp?v=1787793299","url":"https:\/\/www.poshystore.com\/products\/crest-3d-whitestrips-levels-12-whiter","provider":"Poshy Store","version":"1.0","type":"link"}