A dripping shower faucet is possibly one irritant you can easily and happily live without. A faucet that just doesn’t seem to stop leaking drains precious water, and may - in some cases - even flood your apartment or home if it isn’t fixed fast.
That said, most people do not seem to know just how to fix a leaky shower faucet . They seem to believe that you need a PhD in plumbing and home repair to get the job done 
Luckily, it isn’t so hard to fix a leaking shower faucet. It definitely is not rocket science. Or even brain surgery. It is something most people can easily get done - if they knew how.
So here are a few do-it-yourself tips on repairing faucets …
There are mostly two broad categories of faucets. Those that have washers and those that do not.
Faucets that use washers may start leaking when the washer seat gets worn out, when the washer becomes hardened, or when the washers gets worn.
To start with, turn off the water supply to the faucet.
Next, take the faucet apart and examine the stem. If you see that the threads are corroded, replace the stem. You may need to clean the stem in case it’s dirty.
Now, examine the washer closely. If you see that the washer has a groove or has been squeezed flat, then you will need to replace the washer. This should stop the leak.
If you have needed to replace the washer of your faucet too many times, then you may need to replace the washer seat.
Now re-assemble the parts, taking care to apply a lubricant like slilcone grease or petroleum jelly on the stem’s threads.
And in case you think it’s a problem you think you can’t fix all by yourself, then you may either need to replace the entire faucet, or ire a professional to help you out.
Replacing a shower tub faucet may be a slightly different game. Especially if you are taking about one of those elegant, elaborately designed ones. You will have to take care that you do not damage the finish when you are taking the faucet apart. And if it’s a very expensive faucet and you aren’t a skilled do-it-yourselfer, then hiring professional help may be a smart thing to do. After all, you do not want to damage a heart-breakingly beautiful faucet, do you
