Black and dull-looking lips can be embarrassing to have at times. It often affects the way we look and that leads to a lack of confidence in us. But have you ever wondered what causes this discolouration of the lips? You will be surprised to know that our everyday routine can also lead to dark lips. Some causes for dark lips are smoking, lack of vitamin B intake, using bad products, exposure to the sun, etc. In this video, we are here to explain some of the main reasons that cause black lips. Check it out and for more interesting videos regarding lifestyle and a lot more, subscribe to our channel Boldsky!