1) It makes your lips go numb for hours
2) It tastes like kerosene (even after 10 hours when you kiss someone on the cheek, it happens)
3) It makes white shirts transparent for hours. It leaves no visible stain afterwards.
3) It will remove color from leather and transfer to your skin. Steel wool pads are then needed to remove it.
5) It will soften plastics so you stick to your luggage or PC if it gets on them.

It's still better than Dengue fever.