Blacklight detects male sperm

This means that you might be looking at something else other than come. Likewise, some cosmetics, oils, foods, cleaning products, even pet stains will emit a glow. All the chemical substances that form fluid make it react stronger to the black light. Cat urine, in particular, glows very brightly under ultraviolet light. Depending on the composition and quantity of nutrient intake, certain compounds could be expelled which fluoresce in their liquid state. When it comes to detecting bodily fluids, using a UV light source is a great method. There are some exceptions, especially with the latest technological advancements.

These elements within laundry detergents may also cause white clothing in photographs to appear as a shade of blue. A researcher developed a patented spray that when used on clothing with a black light can detect the toxic oil urushiol derived from poison oak and poison ivy plants that leads to an itchy rash on the body. Asked in Chemistry What glows under black light?