In fact, the hardest step to fix a leaky faucet or a leaking sink sprayer is usually finding the right replacement parts. In ...

Remove the handle and collar: Carefully take apart the faucet. Replace worn parts: Look for worn springs and seals. A ...

or you can look up parts online using the brand and faucet model name. Remember that it may be easier to buy an entire cartridge rather than searching for the correct replacement for tiny faucet ...