Sodium bicarbonate, most commonly known as baking soda, is useful not only for baking, but also for medicinal and household purposes. http://articles.mercola.com/sites/articles/archive/2012/08/27/baking-soda-natural-remedy.aspx
Baking soda, or sodium bicarbonate, is a staple in many homes for baking and cleaning purposes – but there’s a good chance you’re not taking full advantage of all that baking soda has to offer. For instance, did you know there’s a whole gamut of medicinal uses for baking soda, such as safely removing splinters [...]
Put ½ cup of water, 1 teaspoon of 3% hydrogen peroxide and 1 tablespoon of baking soda in a small bowl. Stir well, until the baking soda dissolves. Dip your nails into the solution for 2 to 3 minutes. Repeat once every two weeks.