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I think it would be a great idea to do that, as well as somehow showing up how many germs are left on your hands. Sort of like when you throw white paint aroun
by escapologybb 12y ago
I think it would be a great idea to do that, as well as somehow showing up how many germs are left on your hands.
Sort of like when you throw white paint around at a rave and everybody has got their hands in the air, glowing white skin and…
- DanBC 12y agoThere are handwashing demonstration soaps that include an ingredient that fluoresces under UV light. You wash your hands normally using the soap then a UV light shows you how bad you are at washin your hands.