Hell yes! And yes, they are not hypoallergenic...though as close as you could get.
Diet, ear cleaning and reasonably regular baths make skin oil a non-issue. Sphynx "rust" washes clean, and they leave no hair on clothing etc.
nostr:npub1ytx8ffefzymnsen8eu99g9rwnc4emfpdyjjk2hrlqkqs8sfr8feq5vek79 is of course the most amazing sphynx that ever sphynxed, so I'm a bit biased ;)