A Shih Tzu dog being bathed at a pet grooming salon by a tattooed groomer.
Wellness

Bathing, Grooming, and Skin Care for Aging Dogs: A Practical Guide

MT By Megan Torres · 5 min read · March 14, 2026

Grooming Gets Harder (and More Important) as Dogs Age

When Biscuit was young, grooming was simple. A bath every few weeks, some brushing, occasional nail trims. She tolerated it all without complaint and looked great with minimal effort.

Now that she's older, grooming has become both more challenging and more important. Her skin is drier. Her coat is thinner in places. She's less patient with being handled. Her nails grow faster relative to how much she wears them down. And conditions that used to be cosmetic concerns (dry skin, minor irritation) can become health issues in a senior dog with a compromised immune system.

Bathing

How Often

Senior dogs generally need bathing less frequently than younger dogs because they're less active and less prone to getting dirty. Every 4 to 8 weeks is typical unless they have a skin condition that requires more frequent washing. Over bathing strips natural oils and can worsen dry skin, which is already a common issue in aging dogs.

The Setup

For a dog with joint issues, getting in and out of a bathtub is a significant challenge. Consider these alternatives:

Whatever the setup, non slip footing is essential. A senior dog who slips during a bath may develop lasting anxiety about the process.

Products

Use a gentle, moisturizing dog shampoo. Avoid anything with harsh detergents, artificial fragrances, or ingredients that strip oils. Oatmeal based shampoos are soothing for dry, itchy skin. For dogs with specific skin conditions, your vet may recommend a medicated shampoo.

Follow with a conditioner if your dog's coat is dry or brittle. Yes, conditioner for dogs is a thing, and for aging coats, it's worth the extra step.

Coat Care

Brushing

Regular brushing (2 to 3 times a week for most coats) is more important for senior dogs than baths. It distributes natural oils, removes loose hair, stimulates circulation to the skin, and gives you a chance to check for lumps, bumps, sore spots, and parasites.

Use a gentle brush appropriate for your dog's coat type. Senior skin bruises more easily, so be gentle, especially over bony prominences (hips, spine, elbows).

Matting

Aging dogs who are less mobile or who can't groom themselves as effectively are more prone to matting, especially behind the ears, under the armpits, and around the back end. Regular brushing prevents mats. If a mat forms, work it out gently with a dematting tool or have a groomer handle it. Never pull mats on thin, aging skin.

Thinning Coat

Some coat thinning is normal with age. But significant hair loss, patchy areas, or changes in coat texture warrant a vet visit. Thyroid disease, Cushing's disease, and various skin conditions can cause coat changes and are treatable.

Skin Care

Dry Skin

Aging skin produces fewer natural oils, leading to dryness, flaking, and itching. Supportive measures:

Lumps and Bumps

Senior dogs develop lumps. Most are benign lipomas (fatty tumors) or sebaceous cysts. But some are not. Every new lump should be checked by your vet. Have your vet record the location, size, and characteristics of existing lumps so changes can be tracked over time.

Pressure Sores

Dogs who lie on hard surfaces can develop calluses and pressure sores on elbows, hocks, and hips. Prevention: orthopedic bedding, padded surfaces, and ensuring your dog doesn't spend prolonged periods on hard floors.

Nail Care

Why It Matters More Now

Overgrown nails affect gait, which affects joints. When nails are too long, the dog's toes splay, which changes how weight is distributed across the foot and up into the leg. For a dog with existing joint issues, this matters. Long nails also reduce traction on smooth floors and can curl into the paw pad if neglected.

How Often

Every 2 to 3 weeks is typical for senior dogs. Less active dogs wear down their nails less naturally, so they need trimming more often than they did when they were walking and running more.

Making It Tolerable

Many dogs hate nail trims. For a senior dog who's already less patient with handling, here are some approaches:

Dental Care

Daily tooth brushing is the gold standard. If your dog will tolerate it, use a dog specific toothpaste (never human toothpaste) and a soft brush or finger brush. Even brushing a few times a week is dramatically better than nothing.

Dental health directly affects overall health. Periodontal disease introduces bacteria into the bloodstream, which can affect the heart, kidneys, and liver. For senior dogs, maintaining dental health is a longevity issue, not just a cosmetic one.

Professional Grooming for Senior Dogs

If you use a professional groomer, communicate your dog's specific needs:

A good groomer who understands senior dogs is worth their weight in gold. They'll handle your dog with appropriate care and alert you to any skin or coat changes they notice.

The Weekly Grooming Routine

Here's what I do with Biscuit:

It adds up to maybe 15 minutes a few times a week. Not a huge time investment. But it keeps Biscuit comfortable, her skin healthy, and her nails at the right length. And it gives me regular opportunities to catch any changes early.

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MT

Megan Torres

Founder and editor of The Caring Dog Parent. Lives with Biscuit, a 10-year-old mutt who still steals socks and takes up 80% of the bed. Writes about the emotional, expensive, totally worth it reality of dog parenthood.

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