Feria's Power Toners are ammonia free demi-permanent toners that help eliminate brass and maintain your multi-faceted shimmering color. Conditioning- built-in polymers reinforce lightened strands for a softer, smoother, shinier result. Fast- high-speed technology helps eliminate brass and neutralize unwanted warmth for a multi-dimensional finish in as little as 5 minutes. Feria's Power Toners keep brass away for up to 3 weeks after 1 application, perfect for in-between salon visits. For all hair types and textures: including those with salon highlights, balayage, ombré, and all over color. Does not lift or shift haircolor, does not cover grays, results will vary depending on color and condition of hair.