@Studio Salon Princeton In this video, product scientist Katharina Liebner shows us why it's important to apply a post coloring treatment. Wella's game changing LEAVE-IN Ultimate Color Sealer Liquid Layer helps to maintain an acidic environment without rinsing. This also helps the cuticles to remain sealed, leaving the hair smooth and shiny. The benefit of not having to rinse means that the pH stays low, locks in the color and also save time, water and money.
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