在亚马逊春季促销期间，亚马逊售价 20 英镑的 MySweetSmile 牙医认可牙齿美白粉售价 19.99 英镑。 During the Amazon Spring Sale, Amazon's £20 MySweetSmile Dentist-Approved Teeth Whitening Powder is on sale for £19.99.

亚马逊售价 20 英镑的 MySweetSmile 牙医认可牙齿美白粉，原价 24.99 英镑，现在在亚马逊春季促销期间以 19.99 英镑出售。 Amazon's £20 MySweetSmile Dentist-Approved Teeth Whitening Powder, originally £24.99, is now on sale for £19.99 during the Amazon Spring Sale. 这种粉末声称可以去除咖啡、茶、碳酸饮料、葡萄酒和吸烟中的污渍，它是由三磷酸五钠制成的，这是一种适合敏感牙齿的无害成分。 The powder, which claims to remove stains from coffee, tea, fizzy drinks, wine, and smoking, is made with Pentasodium Triphosphate, a non-damaging ingredient suitable for sensitive teeth. 超过 250,000 条评论给该产品的平均评分为 4.7 分（满分 5 分）。 Over 250,000 reviews have given the product an average rating of 4.7 out of 5.