Unless you have "special tastes" or female family members, having female clothing that your girlfriend doesn't recognise (and is not packaged as a gift) is suspicious. Some might even find it proof of infidelity.
As for lotion, or liquid stocking is a liquid aking to foundation make-up which simulate the looks of stockings and washed away afterwards. Of course, they have to be applied like an ointment, so do the math here...