How to Do a Sanitary Trim on a Dog: Safe Step-by-Step

By Tailwisp Editorial TeamUpdated October 17, 20263 min read

A sanitary trim, also called a hygiene clip, is one of the most useful grooming tasks for long-coated dogs. It keeps the most delicate areas clean and comfortable, and it prevents unpleasant surprises.

What is a sanitary trim?

It involves clipping or trimming the hair around the rear end, under the tail, around the genitals and sometimes the belly. Keeping this hair short means urine and feces do not cling to the coat.

Why it matters

• Hygiene. Stool and urine stick to long hair.
• Matting. Dirty hair easily mats and pulls on delicate skin.
• Odor and skin problems. Moisture and dirt encourage infection. See how to get rid of dog smell.
• Comfort and visibility. A clean area is easier to inspect, which helps you spot anal gland or skin issues. See anal glands and grooming.
• Female dogs in heat. Clean hair helps manage hygiene.

Breeds that benefit

Poodles, Shih Tzus, Maltese, Yorkshire Terriers, Cocker Spaniels, Golden Retrievers and many long- and curly-coated dogs. See curly-coat grooming and silky-coat grooming.

Tools

• Small clippers with a narrow, safe blade, or
• Blunt-tipped grooming scissors
• A comb
• Treats and a non-slip surface

Avoid sharp-pointed scissors.

Step by step

1. Prepare. Brush out mats and tangles. Choose a calm time.
2. Position your dog. Standing on a non-slip mat, with a helper if needed.
3. Lift the tail gently and comb the hair away from the skin.
4. Trim under the tail, working with the direction of hair growth and keeping the blade flat against the skin or scissors parallel to it.
5. Trim around the anus carefully, cutting hair short but never touching the skin directly with scissors.
6. Trim the genital area: for males, trim hair at the tip of the sheath. For females, trim hair around the vulva.
7. Trim the belly if needed, shaping so urine runs off rather than collecting.
8. Check the area for redness, cuts and lumps.
9. Reward your dog.

Safety tips

• Skin in these areas is thin, so use light touches
• Keep fingers between the blade and the skin when using scissors
• Keep clippers cool to avoid burns
• Never trim a struggling dog
• Stop if you see sores or bleeding and call your vet

Tail and thigh hair

Neaten the hair at the base of the tail and the back of the thighs, known as britches, since they often get soiled. See how to clip your dog at home.

Frequency

Trim every four to eight weeks, or whenever hair is dirty. Check daily and wipe as needed.

Keeping the area clean between trims

Use a damp cloth or dog-safe wipes after toileting if hair gets soiled. See dry shampoo and waterless baths.

When to go to a groomer

If your dog is nervous or you are unsure, ask a groomer. See how to choose a professional dog groomer.

Preparing your dog

Take your dog for a walk first so that he or she is likely to have emptied the bowels and bladder and is calmer. Have a helper offer treats and gentle praise. If your dog dislikes being touched around the rear, practise by lifting the tail briefly several times a day with a treat before bringing clippers into the picture.

Aftercare

Wipe the area with a damp cloth to remove cut hair. Check the skin for redness, nicks or irritation, and apply nothing unless your vet recommends it. Offer a treat and quiet time. If you notice any redness that lasts more than a day, or your dog licks the area, ask your vet.

The takeaway

A sanitary trim keeps long-haired dogs clean and comfortable. Use the right tools, go slowly and ask for help if needed.