The Kerastase Reflection Chroma Captive Fondant is a shine and color intensifying conditioner which they have developed specifically for use on dyed hair. This conditioner can preserve both the color and shine of your hair for up to 40 days; it works to polish hair fibers, smoothing each strand, thus improving your hair's overall light reflecting ability. It is enriched with Linseed Oil that has a proven 33%-55% success rate of reducing color fading.
Furthermore, UV filters and Vitamin E also work to prevent fading and protects your hair from damage caused by sunlight. Other agents such as Zinc Gluconate help to lock in the color for increased protection.