Black-light fluorescent tubes: These types of lights are made from the same materials as regular fluorescent bulbs with the exception that a phosphor that emits UVA light is used.There are three main types of black lights:
What types of black-light bulbs are there? Artwork lighting: Black lights can be installed over artwork to make certain elements glow.Black lights can be used to illuminate the markings. Marking valuables: Special marks can be applied to valuables or stock items that are invisible to the naked eye.It allows for the use of invisible ink that doesn’t visibly stain the person’s hand but will show under a specialty light. Hand stamping: Theme parks, night clubs, and other businesses may use black lights to see if a person's hand has been stamped.Carpet cleaning services often use specialty light bulbs to find and treat pet stains in problem areas. Stain and waste detection: Waste fluids from humans and animals fluoresce under black lights.
BLACK LIGHT LIGHT BULBS SKIN
Fluorescence could indicate certain skin diseases.