{"pageUrl":"https://www.comparethespecs.com/zh/beauty-wellness-grooming/dental-care/which-teeth-whitening-kit-has-the-longest-lasting-results","lastUpdated":"2026-09-13","totalProducts":2,"niche":"哪种牙齿美白套装的效果持续时间最长？","description":"Which teeth whitening kit has the longest lasting results?","products":[{"brand":"Smile Brilliant","model":"Smile Brilliant Teeth Whitening Trays","price_gbp":117.44,"origin_country":null,"specs":{"activation_time":"45 minutes daily","included_accessories":"Custom-fitted upper and lower trays, impression kit, whitening gel syringes, storage case, prepaid return envelope","number_of_treatments":"9 to 27","whitening_percentage":"22% carbamide peroxide"},"confidence_score":null,"sources":[{"label":"Smile Brilliant","url":"https://www.smilebrilliant.com/product/teeth-whitening-trays/","currency":"USD","source_country":"US","price":159.0,"price_gbp":117.44,"scraped_at":"2026-09-09T11:07:36.244683"}],"summary":"Smile Brilliant Teeth Whitening Trays use 22% carbamide peroxide gel with custom-fitted trays made from at-home dental impressions. The reusable system suits people seeking professional-style whitening, including users who want standard or sensitive-teeth options and customizable treatment lengths.","ideal_for":"这套产品适合追求持久效果的人士，因为可重复使用的定制牙托能够提供均匀覆盖，并可随着时间推移通过追加凝胶治疗进行维护。"},{"brand":"Laughland","model":"Laughland Whitening Kit","price_gbp":48.01,"origin_country":null,"specs":{"activation_time":"5-30 minutes","included_accessories":"LED mouthpiece, 3 whitening gel syringes, power adaptor","number_of_treatments":"6","whitening_percentage":"8% hydrogen peroxide"},"confidence_score":null,"sources":[{"label":"Laughland","url":"https://www.mylaughland.com/products/at-home-whitening-kit","currency":"USD","source_country":"US","price":65.0,"price_gbp":48.01,"scraped_at":"2026-09-09T11:07:36.244683"},{"label":"Laughland","url":"https://www.mylaughland.com/products/starter-whitening-kit-6-treatments-free-pen","currency":"USD","source_country":"US","price":null,"price_gbp":null,"scraped_at":"2026-09-09T11:07:36.244683"}],"summary":"The Laughland Whitening Kit combines personalized hydrogen peroxide gel with a phone-powered LED mouthpiece. It is designed for six daily treatments and suits people seeking portable, quick at-home whitening, including users concerned about sensitivity.","ideal_for":"对于希望获得更持久效果的人士，这款产品可能很合适，因为套装采用 6 次治疗周期，含有滋润牙釉质的成分，并且品牌称美白效果可持续超过最初的治疗周期。"}]}