All Permanent hair color crèmes feature break-through Miru-Style X-HP™ delivering x-treme heat protection - up to 450°- to radically reduce the damaging effects of thermal styling & advanced VibraRiche™ technology for hair color with 2x the shine. Instructions for Use: •Mix one part Permanent Color Crème with one part Developer 10-40V (1:1) •Process for 30 minutes -- up to 40 minutes for gray coverage On a virgin application, mix desired color with 20 volume on the root-age re-growth. For the middle to ends, mix desired color with 30 volume to achieve even lift & deposit & avoid "hot roots!". Process for the full time on dry hair. Mix one part Permanent Color Crème with one part Permanent Developer 10-40V (1:1), and apply color. •Process for 30 minutes. I recommend up to 40 minutes for gray coverage.
Returns Accepted for this item if it's within 30 Days