How to unclog bathroom sink
Use a piece of wire to remove the hair clog. Search Answers for more detail. next time put an old nylon sock over the drain when you shampoo your hair in the sink or the shower.
Under the sink there is a P-Trap Research that on line and you'll see how easy it is to open that and drain the water. Also it will easily disassemble so you can clean it out. Hope this helps. 'av'a g'day mate. )