Wella Color Charm Liquid Permanent Hair Color with Liquifuse technology to ensure consistent, predictable results. BENEFITS. Vibrant. Long lasting. Fade resistant results. Excellent gray coverage. HOW TO USE. Mix Ratio: 1 part hair color, 2 parts developer. Develop for 15 minutes. Then, process up to an additional 30 minutes.
Wella Color Charm Liquid Permanent Hair Color with Liquifuse technology to ensure consistent, predictable results. BENEFITS. Vibrant. Long lasting. Fade resistant results. Excellent gray coverage. HOW TO USE. Mix Ratio: 1 part hair color, 2 parts developer. Develop for 15 minutes. Then, process up to an additional 30 minutes.