Remove the drain stopper or cover
Clear visible hair and debris from the drain opening
Pour boiling water down the drain if safe for your plumbing
Add baking soda, then vinegar, and let it sit
Flush the drain with hot water
Use a plunger to create suction over the drain
Use a drain snake or zip tool to pull out the clog
Remove and clean the overflow plate if needed
Check and clean the P-trap under the tub if accessible
Repeat the method if the drain is still slow
Use a drain cleaner only if other methods fail and the product is safe for your pipes
Call a plumber if the clog persists