It looks rather like a band-aid and it provides a type of band-aid solution to the problem.

Carefully remove the band-aid and, if you have been cautious and meticulous, the original color of polish will show up in the shape of perfect hearts, stars, or whatever else you have chosen!

You were an anomaly, like a band-aid.

Never. He was a band-aid for you.

He was quick about it and placed a Hello Kitty Band-Aid over the small puncture before dropping the vials into his coat pocket.