Actress Nia Sharma recently shared a simple and effective home hack for teeth whitening on her social media. In a video posted on Monday, she demonstrated making a paste using baking soda, lemon, salt, coconut oil, and her regular toothpaste to tackle minor stains. Nia introduced the hack by saying, “Today I am going to brush my teeth with a home remedy I found on Instagram.” Her followers were quick to engage, trying out the easy DIY solution for brighter teeth.