Revlonissimo Color & Care 4-medium brown is formulated as if it contained a hair mask: in addition to all the benefits of a professional hair color system, it also cares for the hair to leave it shiny and healthy-looking. Every woman needs a different look - depending on her eye color, skin tone, age or lifestyle - to bring out her unique beauty. Every hairdresser needs to determine his client's specific color needs and select the perfect shade from among the extensive Revlonissimo Colorsmetique range to make her feel like the most beautiful woman in the world every time she visits the salon.