Using a flathead screwdriver or knife to pry off the decorative cap can help you loosen the handle. The handle should turn loose with a penetrating oil treatment. Once you have removed the cap, you should turn the handle with light pressure. Be careful not to use too much force or you may damage the faucet handle. Depending on the type of faucet, you may also need a hex head wrench.
 
Remove the decorative cap
 
After you have removed the items from your sink, locate the water valves in your sink and turn them off. Secure the loose handles with a Phillips or Hex-head screw. If the screw is missing, you may need to remove the decorative cap. You may need to repeat this procedure for all the faucet handles. Be careful not to overtighten the nut. This is important for your safety.
 

 
Apply the same-brand pulling tool
 
WD-40 can help loosen a stuck faucet cartridge and stem. You can also apply the same-brand pulling tool to the faucet's body. If the screws do not turn freely, you should contact a plumber. However, if you can't find a professional plumber, you can try a few other methods to loosen the faucet on your own. One of the most common causes of tight water faucets is corrosion. Using a stainless-steel wire brush, you can remove the corrosion. Alternatively, you can use vinegar on a clean rag.
 
If the rust is too hard to remove, you can try cleaning it with a small stiff-bristle brush. Ensure to use the brush in a brushing and digging motion to remove the rust. Once the rust is removed, you should be able to turn the handle of the faucet again. After that, wipe off the excess rust using a dry rag. The https://www.nivito.com should now be free of any rust, so you can use it to rinse your hands and sanitize your bathroom.

 
WD40 is an excellent tool for loosening a tough faucet. It lubricates the handle and encourages it to turn. You can also use an Allen wrench to loosen a nut that has become too tight. If you were working on the faucet lately, you may have overtightened the screw. WD40 can be used to loosen a screw that has been preventing it from turning.
 
Try a little bit of WD40
 
If the rust is on the valve, it may be necessary to remove it with a wire brush. In this case, white vinegar may help to loosen the rust. If a new cartridge is required, make sure it matches the old one. You can also try a little bit of WD40 on the faucet if you're unsure of which one to use. You'll be surprised at how much it helps!

 
Loosen the nut
 
Depending on the type of faucet, it may be difficult to loosen the nut. If it is stuck, you can try lubricating it with penetrating oil. Apply it for about 15 minutes before you attempt to remove the nut. Once the nut has been loosen, you can then take out the faucet. Remember to take it out carefully, as the nut could become stuck.