Bloodline UV "6" color set. These are tattoo inks that reflect UV light. They appear to glow in the dark when placed under black light. Available in 1/2 oz. & 1 oz. bottles.
Colors: Blacklight Green, Blacklight Invisible, Blacklight Pink, Blacklight Orange, Blacklight Red, Blacklight Yellow
The picture above shows the ink under ultra-violet black light.