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Line Combing Your Double Coated Breed

When you have a dog that has a double coat there’s a lot of work that goes into maintaining that coat. 

Not only do you have to keep the guard hairs (topcoat) looking nice and shiny but you also have to keep the thick hair underneath healthy. 

That may sound like a simple task but when you have a giant breed dog that has a very thick undercoat it can be very labor-intensive and time-consuming if you choose to handle all of your dog’s grooming needs

Line combing or line brushing is the most common way that dog groomers and owners of double-coated dogs maintain their dog’s coat. 

What is Line Combing?

Line combing or line brushing is a grooming technique used on dogs with a double coat to remove loose undercoats. 

Line combing or line brushing is different than just running a dog brush on the top of your dog’s coat which does nothing for the undercoat. 


Benefits of Line Combing

The benefits of line combing are huge and mandatory when you have a dog that has a double coat.

Removing the loose undercoat with a comb reduces mats that can pull at the skin and be painful for the dog.

It allows the air to flow through the skin and it can reduce hot spots from forming.  

Line combing also gives you a chance to assess the skin of the dog and make sure that it is healthy and free from skin infections and parasites such as fleas and ticks

line combing newfoundland

How to Line Comb

If your dog is standing, start at the bottom and work your way up.

You should pick either start at the front or the back of the dog and not in the middle. 

Lift the hair up with your non-grooming hand and comb the hair in a downward motion making a line.

The size of the section is going to vary on the size of your dog and the size of your hand. 

I have small hands and a big dog so my sections are about 6 inches if I’m using a portion of my forearm. 

Your goal is to see a line from where the hair meets the skin.

If you don’t see the skin at first, comb through until you do. 

How Often to Line Comb

In an ideal world, it would be great to line comb daily but many people can’t do that.

Line combing a double coat once a week should be good for most dogs but during the times when a dog is blowing coat, it should be combed daily in order to cut down on mats and to remove the loose hair. 

Line combing should also be done after bathing and after swimming to help prevent hot spots.

woman line combing a newfoundland dog s

What Type of Comb to Use

The type of dog comb that you use will be largely based on personal preference, your budget, and your dog’s coat.

For a thicker coat, a comb normally works best over a dog brush.

You can use a greyhound comb, a poodle comb, a wide-tooth comb, a comb with a handle or a comb without a handle. 

You can also use a rake, a slicker brush, a Sullivan comb or a Scotch comb.

I personally like to use a greyhound comb when line combing.

line combing newfoundland dog with greyhound comb


For hair that is knotted, hard to pass through or has a lot of static a grooming spray such as The Stuff, Ice on Ice, ProGro, Panagenics or Cowboy Magic.

ProGro is my all-time favorite when diluted down into a spray bottle but the others work great too!

After line combing, make sure to clean your grooming tools in warm, soapy warm and allow them to air dry. 

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Selecting The Proper Canine Combs For Your Newfoundland – petcareskill

Tuesday 16th of August 2022

[…] you’ve by no means heard of line-combing, you can read THIS POST which goes over what line-combing is and why you have to be doing […]

Sue Kliewer

Tuesday 10th of August 2021

I'm having problems after we have been doing water work. Are you line combing after the dog is shampooed and still wet or do you use the dryer and then go thru and line comb? Thx!


Thursday 12th of August 2021

Hi Sue, It's easiest to line comb when the coat is dry. You can use a little grooming spray or leave-in conditioner to prevent breakage if you have it.


Monday 7th of June 2021

This is so helpful. Thank you. We’re new parents to a beautiful brown Newfie puppy and are trying to make sure we do everything the right way!


Monday 13th of January 2020

Do you have any tips for keeping your dog calm during this process? We have an 8 month old Newfie who hates getting brushed.


Monday 13th of January 2020

Hi Kassandra,

I would try to keep the grooming sessions short in the beginning and then gradually increase the time. You can also try something like a stuffed Kong or a Lick Mat to keep them occupied.


Friday 19th of April 2019

Thank you for such a helpful article! I have been obsessed with your blog since December when we rescued a one year old newf. You have been so unbelievably helpful with everything that goes into Newfie care. Thanks again!

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