There are no truly allergen free, or “hypoallergenic,” cats.1-2,10-11 While “hypoallergenic” technically means “less allergenic,” many people use it to imply “allergen-free.” All cats produce allergens,2,7,10  even hairless cats (e.g. Cornish Rex and Sphynx) and all cats groom themselves, dispersing dander, hair and allergens into the environment.