Course 13 · Matting and Tangles · Lesson 7 of 12

How do you cut out a mat without cutting skin?

Published 29 October 2026 · Updated 29 October 2026 · About 6 minutes · General information only. This lesson does not diagnose or treat any condition.

Cut out a mat only with a comb protecting skin, blunt scissors, a helper and a clear view, cutting away from skin in tiny steps.

Cut out a mat without cutting skin by using a comb as a barrier between scissors and skin, cutting only hair above the comb, working in tiny steps away from the body, with a helper holding the dog still, in bright light, and only after the decision process in lesson 6 has ruled out brushing, splitting and referral. If skin position is not clear, if the mat is in a fold, or if the dog moves, do not cut. Skin under mats is thin, folds easily, and can be pulled up into the mat, so cutting without a barrier is the most common cause of grooming cuts.

Why is cutting a mat risky, and what protects skin?

Cutting is risky because skin under a mat is often pulled up into the base of the mat, so the line between hair and skin is not where the owner expects it to be. Scissors cut what is between their blades, and if skin has been pulled into the mat, skin will be cut. The comb barrier protects skin by sitting between scissors and skin, so scissors cut only hair above the comb teeth. Fingers can also protect skin, by feeling where skin ends, but fingers are less reliable than a comb, because they can move. The other protections are light, stillness, small cuts, and a helper. Bright light shows hair, skin and comb position. Stillness, with a helper steadying the dog, prevents a sudden movement bringing skin into the blades. Small cuts, a few millimetres at a time, allow reassessment after each cut. Together, these protections make cutting possible in safe cases, but they do not make it safe in all cases.

How do you cut out a mat step by step?

Work only after the decision in lesson 6. Set up bright light, a non slip surface, a helper, a fine comb, blunt tipped scissors, and treats. Slide the comb under the mat, flat against the skin, so comb teeth are between mat and skin, and the mat sits on top of the comb. Check by feeling that the comb is flat and that skin is below it, not caught in the teeth. Hold the comb steady with one hand. With the other hand, use blunt tipped scissors to cut the mat in small pieces, above the comb, cutting away from the body, never toward skin. Cut a little, pause, lift the cut piece away, check the skin, and reposition the comb before the next cut. Work from the outer edge inward, not from the centre, and never cut across the base of the mat in one cut.

Decide via lesson 6 that cut out is appropriate, not brush, split or refer.
Set up light, helper, comb, blunt tipped scissors, non slip surface.
Slide a fine comb flat under the mat, between mat and skin, and check skin is below it.
Hold the comb steady, cut small pieces above the comb, away from the body.
Pause after each cut, lift the piece away, check skin, reposition comb.
Comb the area gently, check skin fully, reward the dog, and note any soreness.

What tools should and should not be used for cutting out a mat?

Use small blunt tipped scissors and a fine comb. Blunt tips reduce puncture risk if the dog moves, and a fine comb slides under mats more easily and protects skin more reliably than a wide comb. Do not use pointed scissors, kitchen scissors, craft scissors, thinning shears, or clippers at an introductory level, because they remove hair quickly, offer less control, and increase the risk of cutting skin or creating an uneven, irritated area. Do not use a knife, razor, or any blade not designed for grooming. Do not use a mat splitter as a cutting tool unless its use is understood and the skin is protected, as covered in lesson 8, and never use it as a substitute for the comb barrier. Keep scissors clean, dry and sharp enough to cut without chewing hair, because blunt scissors need force and fold hair.

Tool	Role in safe cut out	Do not use
Fine comb	Barrier between scissors and skin	Wide comb that leaves skin exposed
Blunt tipped scissors	Small cuts above the comb	Pointed, kitchen or craft scissors
Helper	Holds dog still, watches body language	No helper for a dog that moves
Bright light	Shows skin, comb and hair clearly	Dim light, cutting by feel alone

What should you do if the skin is nicked?

If skin is nicked, stop cutting immediately, put scissors down, and apply gentle pressure with a clean cloth or gauze. Keep the dog calm, reassure it, and assess the nick: a tiny superficial nick that stops bleeding quickly with pressure still needs monitoring and, if in doubt, veterinary advice. A deeper cut, a cut that bleeds persistently, a cut in a fold, or a dog in pain needs prompt veterinary attention. Do not apply antiseptic deep into a wound, do not close a wound with home products, and do not continue grooming the area. Note the location and size of the nick, and inform the vet practice if advice is sought. A nick is a signal that the method, location or dog tolerance was not suitable for cutting, and the remaining mats should be referred, not cut with more care.

When should you stop and get help?

Stop cutting and seek a groomer or vet if the comb cannot slide under the mat, if skin position is unclear, if the mat is in a fold or sensitive area, if the dog moves or shows pain, if bleeding occurs, or if the owner is unsure at any point. Do not attempt to cut a second mat after a nick, and do not attempt to cut mats on a severely matted dog at home. A groomer can remove remaining mats with clippers under a comb guard, with experience and in person assessment of skin, which is safer than home scissors for difficult mats. The comb barrier, small cuts and helper are essential safeguards, but they are not a guarantee, and the willingness to stop and refer is the final safeguard.

A comb flat under the mat, tiny cuts above it, a helper, bright light and a stop at the first doubt are what keep cutting a mat from cutting skin, and any doubt means refer.