{"niche":"哪种牙膏最经济实惠？","description":"What is the best budget-friendly toothpaste?","products":[{"brand":"Crest","model":"Baking Soda and Peroxide Whitening Toothpaste","price_gbp":1.1,"origin_country":null,"specs":{"fluoride_level":"Sodium fluoride 0.243%","tartar_control":"Fights tartar buildup","whitening_ability":"Whitens by removing surface stains","baking_soda_content":"Contains sodium bicarbonate","halitosis_control":"Freshens breath"},"confidence_score":null,"sources":[{"label":"Mariano's","url":"https://www.marianos.com/p/crest-whitening-baking-soda-peroxide-cavity-tartar-protection-toothpaste/0003700051306","currency":"USD","source_country":"US","price":1.49,"price_gbp":1.1,"scraped_at":"2026-08-28T02:47:20.231559"},{"label":"City Market","url":"https://www.citymarket.com/p/crest-plus-baking-soda-peroxide-toothpaste-whitening-baking-soda-peroxide/0003700051209","currency":"USD","source_country":"US","price":4.99,"price_gbp":3.67,"scraped_at":"2026-08-28T02:47:20.231559"}],"summary":"This fluoride toothpaste contains baking soda and peroxide to remove surface stains while helping fight tartar and cavities. It suits people seeking everyday whitening and fresh breath at a budget-friendly price.","ideal_for":"这款产品适合希望选择经济实惠牙膏的消费者，因为它含有0.243%的氟化钠，能够去除表面污渍并美白牙齿，同时含有小苏打和过氧化物，帮助防止牙垢堆积并清新口气。"},{"brand":"Colgate","model":"Total Active Prevention Plaque Cleanse Whitening Gel Toothpaste","price_gbp":4.4,"origin_country":null,"specs":{"fluoride_level":"0.454% stannous fluoride providing 0.15% fluoride ion","tartar_control":"Helps prevent tartar buildup","whitening_ability":"Helps remove and prevent surface stains","sensitivity_relief":"Helps protect against painful tooth sensitivity","halitosis_control":"Helps fight bad breath"},"confidence_score":null,"sources":[{"label":"ShopRite","url":"https://www.shoprite.com/sm/pickup/rsid/626/product/colgate-total-active-prevention-plaque-cleanse-whitening-gel-toothpaste-30-oz-id-00827854026662","currency":"USD","source_country":"US","price":5.99,"price_gbp":4.4,"scraped_at":"2026-08-28T02:47:20.231559"}],"summary":"This fluoride toothpaste uses Smart Foam technology to help dissolve and lift plaque while providing cavity, gingivitis, tartar, sensitivity, stain, and bad-breath protection. It suits people seeking a broad everyday oral-care toothpaste with whitening and gum-health benefits.","ideal_for":"适合注重性价比的牙膏消费者，因为它以 5.99 的价格，将含氟防护、美白、控制牙结石、缓解牙齿敏感和控制口气问题等功效融于一体。"},{"brand":"Sensodyne","model":"Clinical Repair Whiten and Shine Toothpaste","price_gbp":7.33,"origin_country":null,"specs":{"fluoride_level":"0.454% stannous fluoride","whitening_ability":"Superior whitening action through stain removal","sensitivity_relief":"Starts repairing sensitive areas after 60 seconds; clinically proven long-lasting relief","halitosis_control":"Long-lasting freshness and arctic mint flavor"},"confidence_score":null,"sources":[{"label":"Target","url":"https://www.target.com/p/sensodyne-clinical-repair-whiten-38-shine-toothpaste-3-4oz/-/A-94826005","currency":"USD","source_country":"US","price":9.99,"price_gbp":7.34,"scraped_at":"2026-08-28T02:47:20.231559"},{"label":"Walmart","url":"https://www.walmart.com/ip/SSD-CLINICAL-REPAIR-TP-WHTN-SHINE-3X3-4/18046016359","currency":"USD","source_country":"US","price":9.97,"price_gbp":7.33,"scraped_at":"2026-08-28T02:47:20.231559"},{"label":"Smith's Food and Drug","url":"https://www.smithsfoodanddrug.com/p/sensodyne-clinical-repair-whiten-shine-toothpaste-for-sensitivity-relief-3-4-oz/0031015836109","currency":"USD","source_country":"US","price":10.99,"price_gbp":8.08,"scraped_at":"2026-08-28T02:47:20.231559"}],"summary":"Sensodyne Clinical Repair Whiten and Shine contains 0.454% stannous fluoride for sensitivity relief and cavity protection. It removes surface stains while remaining gentle on sensitive teeth and provides long-lasting freshness, making it suitable for people who want whitening and sensitivity care in one toothpaste.","ideal_for":"适合作为经济实惠的牙膏选择，因为它将 0.454% stannous fluoride 敏感缓解、通过去除 stains 实现的美白、蛀牙防护和清新口气功能融于一体。"}]}