Source book: Cutting Aces
This nail polish is a cocktail of active reagents that respond to the most common illicitly traded drugs and toxins on the market. When they come into contact with a liquid, the color changes to a specific hue depending on the class of chemical detected. If multiple toxins or drugs are detected, multiple speckles of color appear, and if no toxins or drugs are detected, the color remains unchanged. Each container contains enough nail polish for ten applications. Tests are made with the Rating x 2 and have a threshold of 2.