Rather than using an expensive lipstick to leave a message on the mirror, try this marker lipstick made exactly for that!
It can be used on mirrors, fridges and all smooth surfaces - Hey, why not during business presentations on the white board at least you know there will be interest in what your putting up!!!
Lot of 4 markers
Dimensions : 9 x 2.5 x 2.5 cm
[$, £, CHF...]