It is okay to use a damp cotton ball to wipe the «shell» of the ear. (momvelous.com)
Clean them out Keep her eyes free of gunk and crustiness by using a damp cotton ball and wiping outward from the corner of her eye, being careful not to scratch the cornea. (cesarsway.com)
You'll likely need to clean your hamster's eyes with a warm, damp cotton ball. (animals.mom.me)