Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteCats groom each other through allogrooming, and it often happens in relaxed, friendly settings. It is not, however, reliable proof of affection on its own. A 2026 observational study found grooming in socially tense interactions too, so the licking alone tells you little. What tells you more is the cats’ body posture, their ears and face, whether the receiving cat stays, and what happens before and after the grooming.
What allogrooming means
Allogrooming is the term for one animal grooming another. In cats it is most often seen between a mother and her kittens and between cats that share a home. A general cat-care overview from Cats.com describes it in both mother-kitten and multi-cat settings and notes that social relationships and hierarchy may play a role. The overview is a general guide rather than a study, so treat its description as background rather than as measured evidence.
What the 2026 study observed
The most detailed recent work is a video-based observational study published in 2026. It recorded 53 pairs of cats (106 cats in total) and described how grooming fit into the surrounding behavior. Because the study is observational, its findings are associations between behaviors that were seen together, not proof of what any cat intended.
Behaviors seen in friendly contexts
In the affiliative interactions the study describes, grooming appeared alongside:
#1 Best Overall
- 【Professional Cat Hair Brush】Perfect gift for pet owners, vets, and pet groomers. Using this cat brush for long haired cats on a regular basis can gently and effectively remove loose hair, tangles, knots, dander and trapped dirt. Suitable for short, medium or long, thick, thin or curly haired dogs/cats/rabbits, making your pets shiny and healthy.
- 【Skin-friendly Massage Needles】The mental pins on the cat brush with release button have round rubber tips on the ends. As a cat deshedding brush, it's perfect for shedding and massaging your pets without scratching your pet's skin, even the sensitive skin. After use, you can hang it with the silicone loop strap to protect the bent needle.
- 【Upgraded High Quality Material】The our long hair cat grooming brush made of durable 304 stainless steel and fine ABS material. Our wire bristles is 1.2 times as thick as bristles of other deshedding brush for cats. More sturdy and not easy to deform, can be used for a long time. 150° bent needles designed to penetrate deep into the coat are really easier to groom the undercoat well.
- 【One-click Cleaning Button】After brushing your pet, simply click the button. The shutter will pop out, separating the brushed hair from the metal needle, then wipe the hair off. The button of cat shedding brush on the handle saves time and energy when grooming and cleaning.
- 【SUPPORT · 365 Days】If the pet hair brush have any problems during use, we will provide you with replacement or 100% money back. And we have a professional customer service team and pet experts to provide you with the pre-sales and after-sales service. aumuca is always at your side.
- Huddling or prolonged body contact
- Synchronized sitting or lying, with the two cats in similar positions
- Mutual play after the grooming ends
These are useful context clues. They are not a checklist that confirms a friendship when all of them are present.
Behaviors seen in tense contexts
The same study also described grooming in interactions that looked tense. The behaviors it recorded there included:
Rank #2
- Cat brushes for long haired cats and short haired cats
- Soft Tip Bristles:Cat comb with soft tip bristles, helping to break up tangles and mats effectively,Your pet will enjoy the gentle massaging
- Soft Gel Handle:Super soft handle with anti-skid curved silicone gel, keeps your hand comfortable while grooming
- Self-Cleaning Button:Simply push the release button, and all the fur will come off the bristles, no more digging in between bristles to get the hair out
- Premium Material:The cat grooming brush is made of resistant and durable material, free of toxins and chemicals, healthy and easy to use
- Asymmetric posture, with one cat leaning over the other
- Ears rotated backward
- Displacement behaviors such as lip licking or head shaking
- Overt acts such as striking or biting
The authors suggest that grooming in these moments may sometimes work as appeasement, or as a subtle threat. That is an interpretation of observed sequences. It does not show that every grooming episode has the same motive.
Why one behavior can mean two things
Grooming is a single action, but the sequence around it changes its meaning. A cat that grooms a companion while both stay relaxed is in a different situation from one that grooms while the companion’s ears are flattened and its body is turned away. Reading the whole episode is more reliable than reading the licking alone.
Rank #3
- 【Easy Desheding】: Swihauk self cleaning dog brush for long haired dogs with release bottom helps effortlessly reduce shedding. A must have dog brush for short haired dogs, cat brush for indoor cats, cat brush for shedding, slicker brush for dogs.
- 【Safe Design】: Soft and protective plastic round head bristles creating a comfortable feeling while deshedding without hurting your pet. Ideal puppy brush for small dogs, dog brush for shedding and grooming.
- 【Sturdy & Durable】: Premium stainless steel metal and compact design make our product sturdy and durable for long term use.
- 【Ergonomic Design】: Press bottom for easy cleaning, high-quality & lightweight TPR handle make your grooming effortlessly.
- 【Effective to Remove Loose Fur】: Swihauk pet grooming brush is effective to remove loose fur, suitable for dogs, cat with long and short hair, perfect for your lovely pet like puppies, golden retriever, rabbit, kitten, bunny, yokie and more.
How familiarity and relationships fit in
A PubMed-indexed study reported that familiarity and relatedness were significantly associated with proximity and allogrooming in its sample. In practical terms, cats that know each other well, or are related, were more likely to be seen grooming. This does not guarantee that siblings or familiar cats will bond, and it does not mean that unfamiliar cats will never groom. Familiarity raises the likelihood of friendly grooming; it does not settle how any given pair will behave.
The older idea about rank
An earlier study of animals kept in confined groups reported that higher-ranking animals groomed lower-ranking ones more often. That finding is sometimes repeated as a rule that the groomer is the dominant cat. The more recent evidence points to a context-dependent picture, so rank should be treated as one possible factor, not a universal explanation.
Rank #4
- WORLD’S #1 CAT HAIR BRUSH: Our cat grooming brush / cat shedding brush is the world's best patented pet grooming brush for cats, small dogs, and rabbits. It is the perfect cat deshedding brush, short hair cat brush, & cat brush for long haired cats.
- EASY AND FAST CLEANUP: SleekEZ Deshedding Grooming Tool is great for removing hair and fur from carpets, pet bedding, cat trees, and more! Our cat comb for shedding is also an amazing pet hair remover and cat fur remover / cat hair remover brush.
- ALL HAIR & FUR TYPES: It is the perfect cat comb for long haired cats and cat brush for short haired cats. SleekEZ works as a deshedding brush for cats, cat deshedding tool, undercoat brush for cats, cat fur brush, cat deshedder, & small dog brush.
- PAINLESS AND ENJOYABLE: SleekEZ serves as a versatile kitten brush, puppy brush for small dogs, & bunny brush / rabbit brush. It's the best pet hair brush on the market and is an absolute essential for cat shedding control!
- GREAT GIFT: SleekEZ makes the industry's leading cat combs for indoor cats & shedding brush cat hair. It is a must have for any cat grooming kit, cat essentials for indoor cats, & cat supplies. Also an amazing cat dander remover & cat undercoat brush
How to read a grooming episode
The table below compares the cues that point toward relaxed affiliation with those that point toward tension. Use it as a set of questions to ask, not as a score.
| Cue | Reads as relaxed and affiliative | Reads as tension |
|---|---|---|
| Body posture | Similar positions; huddling or sitting and lying in sync | One cat leaning over the other |
| Ears | Not described as rotated back in relaxed episodes | Ears rotated backward |
| Receiving cat’s response | Stays and remains in contact | Tries to leave or escape |
| Displacement behaviors | Not described as a sign of tension in the study | Lip licking or head shaking |
| What follows | Calm separation or mutual play | Swatting, biting, or escape |
| Relationship context | Familiar or related pairs were more often seen grooming in one PubMed-indexed study | Not stated in the 2026 study |
What to do if you are watching
- Look at posture first. Note whether both cats hold similar positions or whether one is leaning over the other.
- Check the ears and face. Ears rotated backward, lip licking, or head shaking mean the interaction may be tense.
- Watch the receiving cat. If it stays and stays relaxed, the contact is more likely to be welcome. If it tries to leave, that is a clear signal.
- Observe what comes next. Calm separation or play suggests the interaction was friendly. Swatting, biting, or a chase suggests it was not.
- If the interaction escalates or one cat seems uncomfortable, give both cats space. Interrupt calmly by creating distance rather than grabbing either cat, and do not force continued contact.
When to involve a veterinarian
Grooming is normal, but some changes are worth raising with a vet. Contact your veterinarian if you notice any of the following:
PC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchBest Value
- REMOVES LOOSE FUR & UNDERCOAT: The 5-inch EquiGroomer deshedding brush gently pulls loose hair and undercoat from cats and dogs without cutting healthy fur.
- PERFECT SIZE FOR CATS & SMALL DOGS: The compact 5-inch blade fits smaller pets and tight spots - face, legs and paws - for easy, precise grooming.
- WORKS ON SHORT & LONG HAIR: Rounded stainless-steel teeth glide through any coat, reducing shedding while keeping your pet calm and comfortable.
- LESS SHEDDING, LESS MESS: Regular use dramatically cuts loose hair on furniture, floors and clothes and leaves a softer, shinier coat.
- COMFORT-GRIP HANDLE: A lightweight, ergonomic handle gives you full control for quick, stress-free grooming sessions.
- A substantial change in how much a cat grooms itself or its companion
- Hair loss or thinning patches
- Visible skin injury
- Recurrent signs of distress
A single social-grooming episode is not enough to diagnose a medical or behavioral problem, so look at patterns over time.
A note for introductions
Cats.com suggests that brushing or combing both cats is one possible way to share scent during an introduction. This is an optional step. It is not required for allogrooming to happen, and it does not tell you how the cats feel about each other.
What the evidence does not establish
No reliable population-wide figure for how often cats groom one another has been established, so this article does not offer one. The 2026 study’s sample size describes the scope of its observations, not how common the behavior is. Its suggestions about appeasement or threat are interpretations of observed sequences, and they should be read that way.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
The Tool Desk
Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →
