Wella Color Charm Liquid Permanent Hair Color penetrates the cuticle layer of the hair lodging in the cortex. Wella Color Charm s packaging utilizes a color-coded tonal family system making shade selection easy! Liquid Permanent Hair Color time tested formulations ensure consistent predictable results. Liquifuse Technology saturates penetrates and fuses with the hair to deliver vibrant color that is exceptionally fade resistant. A gentle floral fragrance for a more pleasurable coloring experience.