Echosline Coloured Hair S1, 350 ml, Shampoos for Women, The Echosline Coloured Hair shampoo cleans the scalp effectively, washes hair thoroughly, and restores its natural beauty. Characteristics: prolongs hair colour adds shine and volume How to use: Apply an appropriate amount of shampoo to wet hair. Work up a lather and rinse thoroughly. For best results, follow up with other products from the same range.