I use a combo of hand plucking, the hair buster, and sticky lint roller sheets. I’ve also used soft bristle brushes (more to desensitize the bun to brushing) and the kong groom zoom (it works, but the fur kind of flies everywhere). My buns all have slightly different coat textures, so different combs work better on some (and they tolerate different things differently). Some people also like using a slicker brush, esp for longer coats.
I don’t think there is a set time limit on how much to brush for. I base it off of how heavily they are molting and how much the bun will tolerate. So if your bun will tolerate short sessions often, that works. My girls don’t really like being combed, so I usually will just put them on the table and do a deep grooming when they are molting (it ends up being prob 20 min ever other day or so when they are really molting). Then they get a treat after. 🙂 I find that easier than constantly pestering them with the comb. I am usually able to sneak pull a few loose tufts by hand though. 🙂
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The answers provided in this discussion are for general guideline purposes only. The information is not intended to diagnose or treat your pet. Seek the advice of your veterinarian or a qualified behaviorist.