Wella Koleston Perfect Permanent Hair Color - 7/17 Medium Blonde / Ash Brown Hair Masks The packaging is in eyedropper

The packaging is in eyedropper form which allows to add the optimum amount of diluent

an antioxidant that helps to neutralize free radicals

Polypinene

SeaExtend® formula seals color in – sea botanicals that help to seal the cuticle and lock in color molecules to maintain longer hair color results

Lightweight polymers: Defend against humidity

Wella Koleston Perfect Permanent Hair Color - 7/17 Medium Blonde / Ash Brown Hair Masks The packaging is in eyedropperKoleston 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