Hand sanitizers are flammable.They show blue flames which can only be seen in dark.Please read more details below this image.
Unlock the mystery of invisible ink with this simple science
Hand Sanitizer Fires Are Invisible
Why is a sanitizer flame not visible? - Quora
Invisible Ink Using Turmeric : 7 Steps (with Pictures) - Instructables
IOGP Issues Safety Alert About Hand Sanitizer Fires
HAND SANITIZER AND FIRE TRICKS - MAKE A BLUE FIRE YOU CAN HOLD IN
Hand Sanitizer Fire? - Burns Invisibly?
DIY INVISIBLE BLUE FLAME FROM HAND SANITIZER
September CCPS Process Safety Beacon - Hand Sanitizer Hazards at
Purell Hand Sanitizer Gel 236 ml - Voilà Online Groceries & Offers