Best cat food for hair loss
Hair loss in cats has plenty of causes, and food is only sometimes one of them. A complete diet with a decent level of protein and added omega fatty acids genuinely supports skin and coat condition, but if your cat is actually losing fur rather than just looking a bit dull, a food swap alone is unlikely to be the whole answer.
What actually causes hair loss in cats
Patchy or general hair loss is more often down to fleas and other parasites, allergies, stress-related overgrooming, or an underlying medical issue than it is to the food in the bowl. A cat who is scratching, biting at their fur, or grooming one area obsessively is telling you something specific, and diet is rarely the first thing to change in response to it.
Where food genuinely plays a part is in general coat condition rather than active hair loss: a cat on a poor-quality or unbalanced diet can end up with a dull, thin-looking coat over time, simply because the building blocks for healthy fur and skin aren't there in the right amounts.
What to look for on the label
A named animal protein high up the ingredients list matters more than most of the marketing around a bag. Protein is what a cat's fur is largely made of, and a diet that's genuinely rich in it, rather than bulked out with cheaper fillers, gives the coat more to work with.
Added omega-3 and omega-6 fatty acids, often listed as fish oil or a named oil source, are the other thing worth checking for. These support the skin's natural barrier and are commonly found in foods marketed for skin and coat, though the term itself isn't regulated, so it's worth checking the actual ingredients rather than the label claim.
What diet alone won't fix
If your cat has visible bald patches, sores, scabs, or skin that looks red or inflamed underneath the fur, that's a sign of something a food change won't resolve by itself. The same goes for sudden, rapid hair loss, or hair loss alongside other changes like weight loss, increased thirst or a change in appetite.
Those are worth a trip to the vet rather than a new bag of food. A vet can rule out fleas, mites, ringworm, allergies and hormonal causes, all of which look broadly similar from the outside but need very different treatment, none of which comes out of a food bowl.
Choosing a food to support coat condition
For a cat whose coat just looks like it could do with some help, rather than one who is genuinely losing fur, a good quality complete wet or dry food with a strong protein content and added oils is a sensible, low-risk place to start.
Introduce any new food gradually over a week or so, mixing it in with the old one, since a sudden switch is more likely to upset a cat's stomach than to do their coat any good in the short term.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Whiskas 1+ Salmon Adult Dry Cat Food
Complete salmon dry food for adult cats in a practical 1.9KG bag
£12.39
Whiskas 1+ Lamb Adult Dry Cat Food
Complete lamb dry food for adult cats in a practical 1.9KG bag
£12.39
Whiskas 1 Tuna Adult Dry Cat Food
Complete tuna dry food for adult cats, offered in several bag sizes
From£3.19
Whiskas Kitten Chicken Dry Cat Food
Complete chicken dry food for kittens, available in several bag sizes
From£3.19
Whiskas 1 Chicken Adult Dry Cat Food
A complete dry food for cats 1+, with chicken present only in the brown kibbles
From£3.19
Whiskas 7+ Senior Cat Complete Dry with Chicken
Complete chicken dry food for senior cats aged 7+ in a 1.9KG bag
£12.39
Whiskas 7+ Chicken Adult Dry Cat Food
Complete chicken dry food for senior cats aged 7+ in an 800G bag
£6.09
Whiskas 2-12 Months Kitten Complete Dry Food Chicken
Complete chicken dry food for kittens aged 2-12 months in a 7KG bag
£30.15
Whiskas 1+ Adult Cat Complete Dry Food Tuna
Complete tuna dry cat food for adults in a 7KG bag with 30% protein
£30.15
Whiskas 1+ Adult Cat Complete Dry with Chicken
Complete chicken dry cat food for adults in a 7KG bag with 30% protein
£30.15
Burns Adult/Senior Cat Sensitive Grain Free Duck & Potato
Grain-free duck and potato food for cats with digestive or food sensitivities
£16.49
James Wellbeloved Light Adult Dry Cat Food Fish
A lower-calorie fish dry food for adult cats managing their weight, with joint-support ingredients
£24.65
Common questions
- Can the wrong food actually cause hair loss in cats?
- A genuinely poor or unbalanced diet can leave a coat looking thin and dull over time, but outright hair loss from food alone is uncommon. Fleas, allergies and overgrooming are far more frequent causes, so it's worth ruling those out before assuming the food is to blame.
- How long does it take for a food change to show in the coat?
- Coat condition tends to reflect several weeks of diet rather than a few days, since fur growth is a slow process. Give a new food at least six to eight weeks before judging whether it's made a visible difference.
- Should I try a grain-free food for hair loss?
- Grain-free isn't a specific fix for coat problems, and going grain-free doesn't automatically mean higher quality or more protein. Look at the actual protein source and omega content on the label rather than choosing a food purely because it's labelled grain-free.
- Is it worth adding a fish oil supplement as well as changing food?
- Some owners do, but it's worth checking with your vet first, particularly for a cat with any existing health condition. Getting the balance of fatty acids right matters more than simply adding more, and a vet can advise on what's appropriate for your cat.
- When should I stop trying different foods and just see a vet?
- If hair loss is ongoing, spreading, or accompanied by sore skin, scratching or any other change in your cat, it's time to see a vet rather than working through food options at home. A proper examination is the only way to find the actual cause.
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Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.