FURminator Undercoat Deshedding Tool for Dogs

What a deshedding tool actually does

A deshedding tool is not a brush. It has a fine-toothed stainless steel blade that passes through the topcoat and pulls loose undercoat out from beneath it.

That distinction explains both why it works so well and every problem people have with it. A slicker brush teases out loose hair near the surface. This reaches the dense, wooly undercoat that double-coated dogs shed in volume — the hair that ends up in drifts on your floor.

If your dog does not have an undercoat, you do not need this tool and should not use it.

Which coats it suits, and which it damages

This is the most important section on the page, because used on the wrong coat this tool causes real damage.

Works well on: double-coated breeds with a dense undercoat — German Shepherds, Labradors, Huskies, Malamutes, Corgis, Golden Retrievers, Australian Shepherds, and most northern and herding breeds. These are the dogs that "blow coat" seasonally.

Do not use on:

If you are not sure which category your dog falls into, ask a groomer before the first use. That is a free question with a costly wrong answer.

The "reduces shedding up to 90%" claim

Read that as marketing shorthand for "removes a great deal of loose undercoat in one session", not as a measured, sustained reduction in how much your dog sheds. The dog still sheds. What changes is that the hair ends up in the tool rather than on your sofa, and only for as long as you keep using it.

That is still genuinely valuable — it is the difference between vacuuming daily and vacuuming weekly during a coat blow. It is just not the same as the number implies.

How to use it without hurting the dog

Over-use is the main way this tool causes harm. The hair keeps coming, so people keep going, and past a certain point you are working the blade against skin.

Weekly is plenty for most dogs. Two or three times a week during a seasonal coat blow. Daily use is too much for any dog.

Never shave a double coat

Worth saying because people reach for clippers when shedding gets bad. A double coat insulates against heat as well as cold, and the undercoat is what does it. Shaving it removes that insulation, exposes skin to sunburn, and in many dogs the coat grows back patchy or with a permanently altered texture.

Deshedding is the correct answer to a hot, shedding double-coated dog. Clipping is not.

Sizing and the eject button

Sizes are matched to the dog's size and coat length. Too wide a blade on a small dog is unwieldy and hard to keep flat against the skin; too narrow on a large dog makes the job take forever. Long-hair and short-hair versions differ in tooth length — the long-hair version is for coats where the blade needs to pass further through the topcoat.

The eject button clears the packed hair from the blade with a push. It is a small thing that makes the tool much more pleasant to use, and it is the main reason people prefer the branded versions to cheap copies.

Who should look elsewhere

If your dog is single-coated, curly or wire-coated, this is the wrong tool and will damage the coat — use a slicker, a comb, or hand-stripping as appropriate. If your dog is matted, deal with the mats first or see a groomer. And if you only need to remove surface hair and dirt after a walk, a rubber curry mitt is gentler and cheaper.