applicator
US /ˈæp.lə.keɪ.t̬ɚ/
UK /ˈæp.lə.keɪ.t̬ɚ/

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