Perhaps the best warm corrector loaded with ability to correct cool brow or eyeliner colours 
 
Used in a pure form for overlapping. 
 
It can also be mixed 50/50 with target colors when using the 1R needle to get a more saturated colour.
The top favourite modifier to fight with all the ashiness the tattoo artists have to deal with on a daily basis from all the heavily saturated grey ashy work done with organic pigments