"Cotton rounds" refers to small, circular pieces of soft fabric made from cotton. They are commonly used for skincare routines or applying and removing makeup gently. Full definition
I have used cotton rounds for everything from makeup removal, application, and first aid purposes. (fashionbeyondforty.com)
Use a new cotton round or square for each eye and always wipe from the inside corner of the eye, outward. (johnsonsbaby.com)
While the YouTubers I watched seemed to love it, I felt that both the Garnier and Caudalie were just ok when it came to removing makeup, and required a significant number of cotton rounds to get the job done. (sharingajourney.com)