Well, the good news is black, dark lips are mostly caused by unhealthy habits that even the best of us have and if we just have the determination to do a 360 degree change of such habits, then the road to pink, healthy lips is ours to take. Check out these tips to keeping your lips in the "pink" of health: 1. Don't Smoke First and foremost, the number one tip to follow for pink, healthy lips is to avoid smoking or stop smoking if you are into that habit. Cigarettes have nicotine which is a proven lip darkening component. It may be hard to quit but then the rewards that await are also great because having pink, luscious lips is just one of the many. 2. Refrain from Drinking Coffee or Tea Both coffee and tea contain caffeine which pretty much works the way nicotine in cigarettes do. Moreover, caffeine can stain your teeth which is not exactly attractive to look at especially if you're a girl. If you need to drink any of these drinks, try minimizing it first...