Cat Fur Types: How to Identify and Care for Them?

ImmunityQ&AMeongsiljang Veterinary Advisory Board

Cat fur is categorized into short, medium, long, and hairless types based on its length and structure, with each type requiring different care methods and carrying varying disease risks. Identify your cat’s fur type and check the key care points.

Cat Fur: Let’s Accurately Understand the Types

A close-up comparison of four cat coat types

A cat’s coat is a skin appendage classified into short, medium, long, hairless, and curly types based on hair length, structure, and genetics. The key is that care methods vary by type. Beyond hair length, the proportions of the overcoat (guard hairs), undercoat, and guard hairs differ, which affects brushing frequency, the risk of skin diseases, and temperature regulation capabilities. Identifying your cat’s coat type first is essential for effective, hassle-free grooming.

Why Do Cat Fur Types Differ?

Cat fur is composed of three layers. The outermost layer consists of long, coarse guard hairs, the middle layer is the overcoat, and the innermost layer is the soft undercoat. Genetic variations determine which layer is more prominent. For example, Sphynx cats have almost no fur due to a mutation in the KRT71 gene, while Devon Rex cats exhibit a curly coat due to a different mutation in the same gene. Persians have long hair because of a mutation in the FGF5 gene.

Cat Fur Types at a Glance

Item	Shorthair	Longhair	Curly coat	Hairless
Representative breeds	Korean Shorthair, British Shorthair	Persian, Maine Coon, Ragdoll	Devon Rex, Cornish Rex	Sphynx, Peterbald
Coat length	2-3cm	5-15cm	Curly, wavy	Almost none
Brushing frequency	1-2 times/week	Daily	1 time/week	Not needed
Bathing frequency	Every 2-3 months	Once a month	1-2 times/month	Once a week
Major skin risks	General risks	Hairballs, mats	Excess sebum	Dermatitis, sunburn

There is individual variation by breed, so use this for reference only

Care Points for Short-Haired and Medium-Haired Breeds

Short-haired breeds are the easiest to care for. However, during seasonal changes (spring and fall), their undercoat sheds heavily, so you should brush them 2–3 times a week. - Brushing tools: Gently sweep away loose hair with a rubber brush or rubber mitt. - Bathing: Once every 2–3 months is sufficient. - Symptoms to watch for: Patchy hair loss, dandruff, and black spots (acne). For medium-haired breeds (such as young Ragdolls and young Norwegian Forest Cats), be sure to check behind the ears and under the armpits, where mats tend to start forming.

A short-haired cat being brushed with a rubber brush

When to Visit the Vet for These Fur Conditions

If hair loss appears in patches or circular patterns, it may indicate dermatophytosis (a fungal infection). This condition is especially common in young cats or those living in close contact with other cats, such as in multi-cat households or breeding environments. Since dermatophytosis is a zoonotic disease that can spread to humans and other animals, it should never be ignored. If severe itching is present or accompanied by dandruff or scabs, please visit a veterinary clinic promptly for appropriate diagnostic tests tailored to your cat’s skin condition.

Long-Haired Breed Care — Daily Brushing is Key

For long-haired breeds like Persians, Maine Coons, and Ragdolls, daily brushing is essential. Skipping even a single day can lead to mats, which can harbor skin inflammation and parasites underneath. - Steel comb: Brush from the roots to the tips - Slicker brush: Remove tangles in the topcoat - If mats have already formed: Avoid forceful brushing; instead, carefully cut them out with scissors or a specialized mat splitter Hairball management is especially important for long-haired cats. Be sure to also provide hairball-preventive food or supplements.

A long-haired Persian cat being brushed with a Steelcomb.

Hairless and Curly-Coat Breeds — Skin Care is Fur Care

Hairless breeds like the Sphynx don’t need brushing, but their skin requires careful attention. Since sebum accumulates directly on the skin, a weekly bath with lukewarm water is essential. They are also sensitive to UV rays, so avoid direct sunlight during the summer. Curl-coated breeds like the Devon Rex and Cornish Rex have thin fur that traps sebum. Bathe them once or twice a month with a mild shampoo, and regularly wipe sebum from their ears and between their toes.

Hidden Risks by Fur Type

Long-haired breeds are prone to fecal matter sticking to the hair around the anus, which can lead to urinary tract and perineal infections. It’s best to keep the hair in this area short with regular hygiene trims. Hairless breeds are more susceptible to seborrheic dermatitis and otitis externa, so frequent ear checks are essential. Even short-haired breeds are at risk of rapid flea and tick infestations during the summer, so don’t skip monthly preventive treatments.

Reviewed by a veterinarian

Dr. Tony — Punnawat Phongkittirak

Veterinarian

A veterinarian who majored in veterinary medicine at Khon Kaen University, Thailand, and completed the IVSA program at North Carolina State University in the United States. Drawing on clinical experience at animal hospitals, he works in the pet healthcare field and is dedicated to building a digital care environment that connects pet parents with veterinarians.

Frequently Asked Questions

How can I tell if my pet has a short coat or a medium-length coat?

If you can see the skin right away when you lift the fur, it’s a short-haired coat. If there’s a lot of undercoat and the fur is 4 cm or longer, it’s a medium- to long-haired coat. You can also tell the difference by how much the tail fur fans out.

Are hairless breeds truly completely devoid of fur?

Hairless breeds have little to no fur, or very short coats. In Sphynx cats, the hairless phenotype has been confirmed to result from a mutation in the KRT71 gene. Because their ability to regulate body temperature may be lower than that of typical cats, it’s best to keep them in a comfortably warm indoor environment during winter.

Can I just cut out the mats on my long-haired dog?

Accidents involving cuts to the skin with scissors are common. Carefully detangle mats using a mat splitter or mat comb, and for severe matting, it is safest to leave it to a veterinarian or professional groomer.

Is it normal for my pet to shed a lot during shedding season?

It’s normal for the undercoat to shed heavily during the spring and fall molting seasons. However, if hair loss is confined to specific areas in circular or round patches, or if there are rashes or dandruff in the affected spots, a veterinary visit is necessary.

Does the risk of allergies vary depending on the type of fur?

Even hairless breeds are not 100% hypoallergenic. Cat allergies are primarily triggered by proteins found in saliva, sebaceous secretions, and skin rather than fur, so allergic reactions can occur with any breed, including hairless ones. However, having less fur does mean there is relatively less allergen shed into the environment.