A Cornish Rex looks low-maintenance and is not, quite. Its wavy coat is made only of soft down and awn hairs, and the guard hairs found on other cats, which spread oil and shield the skin, are missing entirely. That single fact drives the whole grooming routine: oil has nowhere to go, the skin underneath is exposed and sensitive, and tools that suit a fuller coat can damage this one.
A Coat You Wipe, Not Brush
Put the hard brush away for good. Stiff bristles and firm brushing can snap the fragile hairs, flatten the waves and leave the coat looking thin and broken rather than sleek. Day to day, the Rex coat asks for very little: run a soft cloth or your hands over it to lift loose hair and surface dust, and let the natural wave sit as it grows. The coat feels warm and suede-like to the touch, sheds lightly compared with many breeds, and shows its condition honestly, so a dull, flaky or greasy look is information, not a cue to brush harder. Gentle handling matters too: rough towelling, harsh shampoos and vigorous scrubbing can all leave this barely covered skin sore.
Baths Do the Work Brushing Cannot
Because the coat cannot absorb sebum, skin oils build up on a Cornish Rex in a way they never do on a fully coated cat, and regular gentle bathing is a genuine part of Rex care rather than an optional extra. Bathe often enough that the skin feels clean rather than slick, using warm water and a mild cat shampoo, and expect greasy marks where the cat sleeps if baths have slipped. Rinse thoroughly, since residue left on unprotected skin itches, and pat dry with a soft towel instead of rubbing the waves flat. Many Rex cats tolerate baths well when the routine starts young and stays calm and brief. Between baths, a damp cloth over the greasiest areas, usually the neck, back and tail base, keeps oil down without another full soak.
Ears Are the Main Grooming Job
The breed's large, open ears collect wax heavily, and ear care is where Rex grooming time really goes. Check the ears weekly and wipe away visible wax from the outer ear with a soft, slightly damp cloth or pad, working only where you can see. Never push anything deep into the canal. A modest amount of brown wax is normal for this breed, but a sudden increase, a strong smell, redness, head shaking or scratching at one ear is a reason to book a vet check rather than clean more often, since those signs can point to irritation or infection that wiping cannot fix. While you handle the ears, run the same weekly pass over the rest of the cat: clip the claw tips, glance at the eyes, and feel along the body for any new lump or sore patch.
Sensitive Skin and Sun
With no guard hairs, Rex skin dries out, reacts to rough products and burns in strong sun more readily than coated skin. Keep grooming products mild and made for cats, moisturise only with something your vet is happy for you to use, and treat flaking or redness that keeps returning as a vet conversation rather than a product hunt. A cat that sunbathes for long stretches needs shade it can retreat to and limits on prolonged exposure during the brightest part of the day, particularly on the ears, nose and any thinly covered areas. This lightly covered breed also feels the cold, so groom in a warm room and settle it somewhere dry and cosy afterwards.
None of this is heavy work, but it is breed-specific work, and it goes wrong when a new owner assumes a short coat means no routine at all. Transferrable Profiles in the KinsLe app carries this cat's bath rhythm, ear-care notes and skin sensitivities across to whoever takes over, keeping that routine intact through a change of home.