Nourishing Shampoo Untangles and nourishes dry hair. Provides deep moisturising. QUATERNISED GUAR GUM: conditions, softens the hair and makes it easier to untangle. D PANTENOL: moisturising and polishing. The daily use of aggressive cosmetic products, straighteners or hair dryers at too high temperatures can lighten the hair, making it fragile. Dried and weak hair is dull, weak in the structure and difficult to comb. To have soft, shiny, thick hair, the hair must be nourished deeply, the scalp hydrated and softness and combability added.