Ardell 240905 lock-in blonde color corrector, 1/4 ounce bottle. Lock-in blonde optimizes colors, decreases fading and neutralizes brassy tones. Use ten drops for every ounce of color before application.Use ten drops for every ounce of color before application. Optimizes colors, decreases fading and neutralizes brassy tones Optimizes blonde colors Neutralizes brassy tones 1/4 ounce bottle