Silicone ointments are much slicker and will help the needle glide through the skin more easily. They also tend not to stick to any kind of fibers and tote very high melting point which creates a durable barrier that wears down more slowly than say a sticky petroleum based or wax based ointment that clings to your paper towel.
Look on product labels for things like:
Pretty Much anything with -cone at the end of it in an ointment or tattoo cream.