This in-shower treatment is formulated to instantly boost vibrancy and shine, while adding depth to color treated or natural copper-gold hair. It will help you keep your color looking fresh, shiny and healthy between appointments. VIBRANCY BOOSTING TECHNOLOGY: formulated to boost shine and help lock-in color while smoothing and softening the hair cuticle. ANTI-OXIDANT COMPLEX: helps to slow down the oxidation process + keeps hair looking beautiful longer. ALKALINE NEUTRALIZING SYSTEM: a controlled pH system for a more gentle application. lasts 3-4 weeks | keratin safe | for all hair types | single application KIT CONTAINS 1 x Kristin Ess Signature Copper Penny Gloss Bottle 1 x Kristin Ess Signature Gloss Applicator Bottle with Activator Instruction sheet with plastic gloves