From time to time we have all experienced a slow draining bathroom sink. Hair and soap scum and other debris gets caught in the trap or stuck to the pop-up drain stopper and causes the water to drain slow or stop altogether.
Cleaning out the sink drain is a simple process and can be done in about ten minutes. you will basically need a bucket and a pair of water pump pliers.
Here is a great video to show you how to accomplish this project.