Moisturises and restores radiance to colour treated hair. Maintains colour up to 3 times longer than products without ColorVitality procolor shield. To use: For all hair types. Apply to shampooed hair; leave in for 2 minutes then rinse. TRIfinity Technology ensures you’ll get the most out of START, STYLE and FINISH, so you can create an infinite number of style equations. All KMS products are multi-compatible. They work best when used as a 3-step regimen together, and each step benefits the end style.