According to most people, toothpaste can be used for one reason, and that is brushing teeth. We all agree whitening toothpaste, refreshes, illuminates, regenerates, removes stains and protects teeth. However, the features and capabilities of the toothpaste are much wider than just brushing your teeth.
Nails are made of the same substance as the teeth. As such, the use of toothpaste for cleaning and maintaining nails certainly makes sense. The use of a toothbrush, toothpaste applied to the nails. Which thus they remain for about 10 minutes. Then wash the toothpaste.
Toothpaste strengthen nails and do very well.