Why Your Pet’s Skin Gets Dry in Winter: A Complete Guide to Causes and Moisturizing Care

Skin & CoatPreventionMeongsiljang Veterinary Advisory Board

We’ve outlined the causes of dry skin in pets during winter, along with preventive tips such as maintaining indoor humidity, adjusting bathing frequency, and supplementing with omega-3 fatty acids. Take proactive steps to manage your pet’s skin before itching and flaking become severe.

What Is Winter Skin Care?

Dogs and cats resting comfortably in a warm indoor environment during winter

Winter skin care is about proactively strengthening your pet’s compromised skin barrier, which often weakens due to cold outdoor air and dry indoor environments. The most important thing is to start before symptoms appear. By the time itching, flaking, or dandruff become noticeable, the skin barrier is already significantly damaged. Starting in November, focus on maintaining proper indoor humidity and providing adequate nutrition to help your pet stay comfortable throughout the season.

What to Check Before Winter Skin Care

Even if it looks like simple dryness, underlying issues such as atopy, endocrine disorders (like hypothyroidism), or parasitic infections may be present. If the skin is already red, scratched, or has yellowish dandruff, it’s essential to consult a veterinarian before attempting home care. Applying moisturizers blindly when there’s an underlying condition can worsen bacterial or yeast infections.

Why Skin Gets Dry in Winter

Your pet’s skin has an outer layer called the stratum corneum, which acts as a protective barrier that helps retain moisture. In winter, this barrier tends to weaken. - Low indoor humidity: Turning on the heater can cause indoor humidity to drop sharply, making it easier for skin moisture to evaporate. - Sudden temperature changes: Moving between a warm home and a cold outdoor walk can irritate the stratum corneum. - Frequent bathing with hot water: This can wash away sebum, thinning the skin’s protective layer. - Changes in shedding cycles: A denser undercoat can reduce airflow, leading to a buildup of dead skin cells.

Comparison of dry winter skin and a healthy skin stratum corneum

Indoor Environment Management — Humidity and Temperature

When it comes to winter skin care, managing the indoor environment is the most essential first step. Before applying moisturizers, start by taking care of the air quality. - Humidity: Aim to maintain an appropriate humidity level. Use a humidifier to prevent the air from becoming too dry, and if one unit isn’t enough, place one in the living room and another in the bedroom. - Temperature: Keep the indoor temperature from becoming excessively dry or warm. Prolonged direct contact with heated floors can cause additional moisture loss from the skin. - Avoid Direct Airflow: Do not place pet beds in areas where they are directly exposed to the airflow from heaters. - Ventilation: Ventilate the home for 10 minutes twice a day to reduce indoor dust and mite levels. Puppies, kittens, and senior pets have weaker thermoregulation, so they require more attentive care.

Bathing Frequency and Shampoo Selection

In winter, it’s best to reduce bath frequency to prevent excessive loss of the skin’s protective lipid barrier. Washing too often strips away this barrier, leading to severe dryness. - Use lukewarm water — warm enough to feel comfortable on the skin without causing irritation. - Choose a low-irritation, moisturizing shampoo containing ingredients like oatmeal, ceramides, or colloidal oatmeal, and avoid regular shampoos with strong cleansing power. - Apply a rinse (conditioner) an extra time to help lock moisture into the stratum corneum. - Dry with alternating bursts of cool air and low-heat warm air — high heat from dryers can further dry out the skin.

Comparison of Winter Moisturizing Ingredients

Item	Ceramide	Colloidal oatmeal	Panthenol (provitamin B5)
Main effect	Protects/reinforces the skin barrier	Binds moisture in the stratum corneum/moisturizes (humectant)	Assists moisture supply
Recommended type	Dry/flaky	Dry/sensitive	All types
Irritation level	Low	Very low	Low
Formulation	Cream/shampoo	Shampoo/spray	Mist/lotion

Ingredients can be used in combination. However, on first use, apply a small amount to the inner belly and observe for 24 hours before using over the whole body.

Nutritional Supplements for Skin Health

The skin barrier is composed of fatty acids and proteins. If your pet’s diet lacks these nutrients, improvement will be slow no matter how much you apply topical treatments. - Omega-3 fatty acids (EPA and DHA): Abundant in salmon oil and krill oil. Veterinary studies have reported that they help relieve itching and improve the skin barrier in pets with atopic skin disease. - Omega-6 fatty acids: Found in sunflower oil and evening primrose oil. They are especially important for maintaining skin barrier function, and it is recommended to supplement them alongside omega-3 fatty acids. - Antioxidants and B-complex nutrients such as vitamin E and biotin: The skin has high nutritional demands, so overall dietary balance significantly impacts skin health. Please consult your veterinarian for specific benefits and appropriate dosages. - Hydration: Adequate water intake supports skin health. You can increase the proportion of wet food in your pet’s diet or supplement their fluid intake with broth ice cubes. The exact dosage varies depending on your pet’s weight and health status, so please consult your veterinarian.

Omega-3 supplements and nutrient-rich ingredients that benefit your pet’s skin during winter

Daily Care Checklist

These are small daily habits that can make a big difference. - Brushing: Brush once a day to remove loose undercoat and improve air circulation. - Drying paws: After walks, gently press a towel between the toes to remove moisture (helps prevent fungal infections and itching). - Paw balm: Apply to reduce irritation from asphalt and road salt. - Clothing: Dress short-haired and small-breed dogs in lightweight knitwear to prevent heat loss (avoid overly tight garments). - Skin checks: Inspect the belly, armpits, and groin once a week to catch redness or flaking early.

Extra Care for Specific Breeds and Ages

Hyperkeratosis on the nose and paw pads can worsen cracking during winter. Consistently applying a specialized balm containing moisturizing ingredients like essential fatty acids to these areas can help. In cats, skin issues may lead to excessive grooming, which can exacerbate symptoms; therefore, if itching is observed, it is advisable to seek a diagnosis of the underlying cause before resorting to an Elizabethan collar. In senior pets aged seven years and older, endocrine disorders such as hypothyroidism and Cushing’s syndrome can manifest as skin abnormalities, including scaling, hair loss, and changes in skin texture. If skin changes like dryness and scaling persist, we recommend testing for potential endocrine disorders.

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

Is it okay to skip bathing my pet entirely during the winter?

Completely skipping baths isn’t recommended, as accumulated dead skin cells and dust on the skin can promote bacterial growth. In winter, it’s best to reduce the frequency of baths but keep them short and use a moisturizing shampoo.

Should I take my pet to the vet right away if I notice dandruff?

If the amount is small and the skin isn't red, try managing it for 1-2 weeks with humidification, omega-3 supplements, and moisturizing shampoo. If the dandruff increases or scratching behavior worsens after 2 weeks, a veterinary visit is necessary.

Will a clothes drying rack suffice instead of a humidifier?

Humidifying just one area, like the living room, can help to some extent. However, since it’s difficult to consistently maintain the ideal humidity level throughout the entire home, we recommend placing a humidifier in the bedroom as well.

Is it safe to apply human moisturizing cream to my pet?

I don't recommend it. Human cosmetics often contain fragrances and essential oils that can be harmful if ingested by pets. Please use balms or sprays specifically formulated for pets.

Can I give my cat omega-3 supplements?

If the product is specifically approved for cats, it can be used. However, since cats have a different fatty acid metabolism pathway compared to dogs, it is important to choose the right product and dosage. Please consult with your veterinarian to determine the appropriate dosage based on your cat's weight.

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References

[1] Miller WH, Griffin CE, Campbell KL, Muller and Kirk's Small Animal Dermatology, 7th ed, Elsevier Mosby, 2013

[2] Jackson HA, Marsella R (eds), BSAVA Manual of Canine and Feline Dermatology, 4th ed, BSAVA, 2021

[3] Catarino M, Combarros-Garcia D, Mimouni P et al., Control of canine idiopathic nasal hyperkeratosis with a natural skin restorative balm, Veterinary Dermatology 29, 134-138, 2018