It's nothing serious. Cats have a strong ability to repair themselves.

See if there's any trauma, bleeding or anything like that

Then touch it with your hand to see if there is a lump.

Observe for a while to see the cat's activity ability.

If there is nothing unusual, it will be all right. Be careful next time ~

You can buy a high-power silent hair dryer in the barber shop, which can shorten the drying time and reduce the resistance of cats ~