A viral DIY whitening trick claims that a mixture of rice flour, lemon juice, olive oil, and toothpaste can make teeth noticeably whiter in only 60 seconds. The idea is simple: finely ground rice provides scrubbing action, lemon juice attacks stains, olive oil is added to the mixture, and toothpaste provides the familiar cleaning component. While teeth might appear slightly brighter immediately afterward because surface stains have been scrubbed away, the method comes with an important warning. A brighter appearance after one use does not necessarily mean the teeth have been safely whitened, and repeatedly exposing enamel to acidic and abrasive ingredients can do more harm than good…. Continue Reading 🔽