Wella Koleston Perfect Permanent Hair Color - 10/1 Lightest Blonde / Ash Rx Treatment Leave treatment on overnight (use

Leave treatment on overnight (use with a treatment cap if desired)

Contemporary

On wet hair: Apply a few drops to hands and distribute through hair

damaged hair and delivers intense hydration and shine

Wella Koleston Perfect Permanent Hair Color - 10/1 Lightest Blonde / Ash Rx Treatment Leave treatment on overnight (useKoleston Perfect is our purest permanent hair color and the first and only professional hair color combining uncompromised color performance with Metal Purifier and ME+ Dye Technology for true to tone color and protection from damage. Available in more than 100 shades that offer up to 100% gray coverage for rich, healthy looking results, it's no wonder why one tube is sold every second in the world! BENEFITS Up to 100% gray coverage with rich, healthy