How Long Does It Take for Dog Hair to Grow Back

It’s important to understand the natural growth cycle of dog hair because you need to trim your dog’s fur to get the desired look.

If your dog is not trimmed regularly, his hair can get longer than normal and this will make his coat look heavier and appear lank and unsightly. 

After the trim, you will also want to know how long it takes for your dog to regrow his hair, so you can plan for the next grooming session.

The regrowth of hair takes about 3 months for dogs with single coats, and up to 6 months for dogs with double coats. In the case of double-coated breeds, it is unlikely that the hair will regrow to the standard that it was before it was shaved. 

The rate of hair growth differs dramatically among different breeds of dogs (e.g., long-haired vs. short-haired) and, of course, genetics has its own distinct timeline. 

Boxers, for example, will most likely regain their usual hair length after trimming more quickly than Border Collies.

Additionally, your dog’s overall diet and health condition can impact how fast or slow his hair will grow back.

Keeping your dog healthy is the most effective way to promote and speed up his hair growth. 

An ideal diet for improving his hair growth and overall health should include zinc, vitamins A, C, and E. 

Consult your veterinarian about adding supplements to your pet’s regular diet. Supplements containing omega-3 and omega-6 will help to relieve any skin irritation and accelerate his hair growth as well.

What Can I Do to Stimulate My Dog’s Hair Growth?

The wait for your dog’s coat to grow might seem like an eternity. The good news is that there are several steps you can take to help your dog stay healthy on the inside and outside so that his hair grows faster.

  • Include foods rich in omega fats in the feeding program for your dog. If a dog is healthy on the inside, his coat will reflect that.
  • Ask your veterinarian about adding supplements to your dog’s diet, such as omega-3 and omega-6 fatty acids. Supplements like these reduce skin inflammation, making hair healthier and longer. They also prevent your dog from scratching, which may lead to hair loss.
  • Give your dog a daily brushing. By brushing his coat with a natural hairbrush, dirt and debris are removed along with old and dead hair. This promotes hair growth.
  • Wash him weekly with oatmeal shampoo. This shampoo was created to remove bacteria that causes hair loss and dirt from the skin and coat.
  • Spray 1/2 cup white vinegar mixed with 1/2 gallon water on your dog’s skin after each bath to kill growth-hindering bacteria.
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What Dog Breeds Should Not Be Shaved?

All dogs that shed large amounts of fur (part of their undercoat), such as Golden retrievers, German shepherds and Siberian huskies, should never be shaved. 

You might think that shaving your dog during the summer will help him to keep cool during the hot season.

This is certainly a myth as dogs can’t sweat through their skin to cool off like we do. It is through the panting and flickering of their tongues that they circulate air through their bodies to cool down.

In addition, shaving dogs with double coats can damage their hair in the long run. When shaved to the skin, the undercoat hair grows back faster, often crowding out the slow-growing guard hairs. A dog’s coat may appear patchy and unattractive as a result of this.

What Is the Best Way to Tell If a Dog Has a Double Coat?

A dog with a soft undercoat and a harsh outer coat is said to be double-coated. It is the soft undercoat that sheds and leaves loose fur all over your house.

Dogs with double coats have a thick undercoat of short hair (fluffy in texture) underneath a coat of longer hair called guard hair. The fluffier the dog appears, the denser his undercoat is. 

This means that grooming will take a lot of time. Under this dense undercoat, a dog’s body is protected from hot and cold temperatures, and the top coat repels moisture and dirt.

Breeds with double coats include:

  • Alaskan Husky
  • Shiba Inu
  • Australian Shepherd
  • Bernese Mountain Dog
  • Great Pyrenees
  • Newfoundland
  • Golden Retriever
  • Miniature Schnauzer
  • Havanese
  • Pomeranian
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Does Dog Undercoat Grow Back?

Shaving a single-coated breed will not affect the coat’s growth. On the other hand, shaving a double-coated breed can be very damaging to the coat. 

So, be mindful if you are thinking of shaving your “double-coated” dog. 

When you shave him, you will see that the undercoat grows back fast. Guard hairs take longer to grow back. Generally, the texture of a dog’s new coat is sticky, and grass seeds, twigs, and plant matter will stick to it.

Why Does My Dog’s Hair Not Grow Back After Being Shaved?

Some dogs will not re-grow their hair for 12-16 months, if not at all. In these cases, it is possible that the dog is suffering from a serious health issue.

In many of these cases, hormonal (endocrine) related alopecia may complicate the situation. Cushing’s disease, hypothyroidism, and sex hormone alopecia may also be contributing to this hair growth disorder. 

If that’s the case, finding out what’s causing it is crucial for more than just your pet’s lustrous coat.

A vet can perform a more thorough examination on your dog to make sure none of these complications exist.

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