Achieve the silver hair of your dreams! You can also use Silver Smoke to control warmth on natural hair when you desire maximum control of any brass. Offers a subtle iridescent violet to control yellow in the hair without the fear of the silver turning blue or green. Demi-Permanent haircolor cremes feature break-through Miru-Style X-HPTM delivering x-treme heat protection - up to 450°- to radically reduce the damaging effects of thermal styling & advanced VibraRiche technology for haircolor with 2x the shine.