Label.M Colour Stay Shampoo 3750ml / 1 Gallon is a color preserving shampoo for color-treated hair. Formulated with Heliogenol, derived from sunflower seed oil and an effective color stabilizer. Helps shield and strengthen hair from within. Blended with Wheat and Soy Proteins, Hydrolysed Silk and Sunflower extracts that seal color. Contains a unique Enviroshield Complex that creates a barrier on hair. Reduces damage from heat styling and UV rays. Leaves hair strong and healthy looking with vibrant color.