WHAT IT IS BosRevive Volumizing Conditioner for Color-Treated Hair is a paraben free volumizing conditioner that adds a thicker appearance to visibly thinning hair. WHAT IT DOES Bosley Pro BosRevive Volumizing Conditioner for Color-Treated Hair infuses hair with vitality and volume while it smoothes and adds shine. Contains ColorKeeper technology to extend the longevity of your color.