Safeguard purity: Always handle/apply in a careful, sanitary manner. Don't share or add anything to mascara. Treat applicator in a hygienic manner, don't reuse in a new case. Don't use if change in odor or appearance occurs. Cap tightly.
Always use in a sanitary manner, do not share; do not dilute; never use if your eye is irritated, infected, or scratched. In extreme cases, eye infections can lead to blindness. Consult an eye doctor immediately in case of injury.