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Because of the phosphates. The UV light causes things to phosphores.

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Why does landuary detergent glow under a black light?

Laundry detergents often contain optical brighteners that fluoresce under ultraviolet light, such as a black light. These brighteners absorb UV light and re-emit it as visible blue light, making white clothes appear brighter and whiter. This is why laundry detergent may appear to glow under a black light.


Does vinigar glow under a black light?

No, vinegar does not glow under a black light. The glow observed under a black light is typically due to fluorescent substances that react to the ultraviolet light emitted by the black light, which vinegar does not contain.


What laundry detergent glows under a black light?

Laundry detergents that contain optical brighteners, like Tide, Seventh Generation, and Persil, may glow under a black light due to the presence of these fluorescent compounds. However, not all detergents with optical brighteners will necessarily glow.


Does any urine glow under a black light?

there is no kind of urine that will glow under a black light. Urine will glow green under a neon light, yet it is mainly unseeable with the naked eye without a neon light.


Do cats glow under a black light?

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Does urine glow under a black light?

Yes, urine can glow under a black light due to the presence of certain compounds such as phosphorus and riboflavin that fluoresce under ultraviolet light.


Does cat urine glow under a black light?

Yes, cat urine can glow under a black light due to the presence of phosphorus in the urine.


Why does cat pee glow under a black light?

Cat urine contains phosphorus, which glows under ultraviolet light, such as a black light. This is why cat pee appears to glow when exposed to a black light.


Do highlighters glow under a black light?

Yes, some highlighters contain fluorescent materials that can glow under a black light due to their ability to absorb and re-emit light at a different wavelength. It is important to note that not all highlighters will glow under a black light.


Why does listerine glow under black light?

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Do pearls glow under a black light?

No, pearls typically do not glow under a black light. The fluorescence of pearls varies depending on the type and quality of the pearl, but they do not usually have the properties to fluoresce under UV light.


What color will gold glow under black light?

Gold typically does not glow under black light as it does not contain materials that fluoresce under ultraviolet light. If any glow is observed, it would likely come from impurities or contaminants in the gold.