Do not use if you are pregnant, trying to become pregnant (conceiving) or breast-feeding.
Do not use if you have epilepsy or light-induced seizures or migraines.
Do not use if you have a disease related to photo-sensitivity or are taking medication that makes the skin more sensitive to light.
Wear the supplied glasses during use. Do not look at the light directly or use Ray Gun for your eyes.
Don’t share Ray Gun if you have a contagious skin disease.