applicator

US /ˈæp.lə.keɪ.t̬ɚ/
UK /ˈæp.lə.keɪ.t̬ɚ/
"applicator" picture
1.

a device for applying a substance, such as makeup or medication

:
She used a cotton swab as an applicator for the ointment.
This mascara comes with a special brush applicator.