أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
it is called lipstick because it is a stick used to apply something to the lips.
I agree with amer its a stick not sticking lips like a glue ;)
It is a pale or coloured stick (comes in different sizes & shapes) used for painting lips and not glue to stick them.
Because it sticks to the lips.