brush-on

[ bruhsh-on, -awn ]
/ ˈbrʌʃˌɒn, -ˌɔn /

adjective

fit to be applied with a brush: a brush-on paint remover.

noun

a substance that can be applied with a brush: The varnish dries more quickly than most brush-ons.

Origin of brush-on

adj., noun use of verb phrase brush on