This product is 100 percent effective it’s one of the TOP BEST SELLER! Qty-1 vial count Color Hair Healthy Virtue® ColorKick® is the first-ever hair filler made from 100% pure, human keratin. Mixed right in the color bowl, it repaves the cuticle of the hair and refills the keratin that's eroded through the coloring process. Now you can lift higher, minimize breakage, and experience more vibrant color and shine, plus better gray coverage, and hair that's actually healthier after coloring than it was before. No measuring. No dilution. Just pour and mixing