flake off
Definitions
To come away or detach from a surface in small, thin pieces or layers.
To cause something to peel or scale away from a larger body.
Examples
The old paint began to flake off the walls after years of exposure to the sun.
If you don't moisturize your skin, it will eventually start to flake off.
Synonyms
peel off chip away scale off exfoliate slough off flake away