I want to put a few bright red highlights in hair around my face. Whats the best way to do it at home?

Use a frosting/hi-lite cap so you know exactly what area they are going in and to make sure that they are even.I want to put a few bright red highlights in hair around my face. Whats the best way to do it at home?
Fire engine red high gloss polyurethene paint from B %26amp; Q.