Color is similar but not as bright under SW UV.
Sample in room light before and after exposure to SW UV. Color deepens with only a few minutes exposure to UV, fades equally quickly under strong incandescent light.
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| LW UV Color is similar but not as bright under SW UV. |
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| Tenebrescence (Photoreversible color change) Sample in room light before and after exposure to SW UV. Color deepens with only a few minutes exposure to UV, fades equally quickly under strong incandescent light. Back |
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