Boost the colour intensity. Provides long-lasting colour results.
Goldwell @Pure Pigments Pearl Blue Elumenated Color Additive, 1.69 oz Gives up to 63 percent more shineBoost the colour intensity2 times more resistance to fadingProvides long-lasting colour resultsIntegrates easily into your favourite formulations
It works with no peroxide or ammonia, so there is no need for mixing.