Ferrets rub their face to clean the food off. I always leave a towel around the food area so they can face wash
Because it wants to not be so scruffy and kind of groom its face!
Rub dirty socks on your face, or rub somebody elses smelly feet on your face.
If it is on hard wood floor spit on the floor and rub your shoes in it to get a grip on the floor.
because it likes the smell of the floor or wall
Get magic eraser and rub on floor until gone. If you get permanent marker on granite, get nail polish remover and rub until gone. If you get permanent marker on your skin, get a magic eraser and rub.
it burns you.
If you have an aerosol you spray on your hand then rub on your face. Be careful to NOT spray on your face.
Dogs may rub their butt on the floor to relieve itching or discomfort caused by issues like anal gland problems, parasites, or skin irritation.
lick the floor until it is clean. or pee on it and rub it off
Babies may rub their face on their chest as a self-soothing behavior to comfort themselves or to relieve itching or irritation on their skin.
Babies rub their face on you as a way to show affection, seek comfort, or explore their surroundings. It can also be a way for them to communicate their needs or emotions.
rub it on your face