VIRAL® COLORDITIONER with BondFix 3x stronger hair. For color-treated browns- browns with lightened highlights or dark copper hair. Brightest results on light brown hair. Jewel tones on medium to dark brown hair. Strengthens- rebuilds bonds in dry- damaged hair. How To Use: Apply generous amount evenly to clean- damp hair and rinse thoroughly. Maintain Color at home: Leave on 2 MIN Tone or Boost Color: Leave on 2 - 5 MIN Apply generous amount evenly to clean- dry hair and rinse thoroughly. Conditioning Haircolor: Leave on 20 MIN