If you have the right kind of drain TubShroom really works.
My last home did not have a drain that'd accept a TubShroom. Every few months I'd have to run a slug of LiquidPlumbr to speed the drain back up. TubShroom returns a surprising amount of hair, for a bald guy, to the garbage rathen than my sewer lateral.
TubShroom via Amazon Read the rest
I keep Flexisnakes in all of our bathrooms, and use them frequently to pull out gross blobs of matted hair clogging the sink drains. It's kind of like a long pipe cleaner with a crank. You insert it in the drain and twist the handle. The hair wraps around it. It's on sale for $(removed) on Amazon right now, which is the lowest price I've seen. Read the rest