Casting Natural Gloss contains 90% ingredients of natural origin that harmoniously cover the first grey hairs. The treatment ensures smooth, well-groomed hair, strand by strand, making it look visibly healthy and giving it an exceptional shine. A rich, harmonious and shiny colour that covers grey hair and is quick and easy to use, even for beginners. Casting Natural Gloss intensifies the natural colour of your hair and takes your hair structure into account. The colour lasts up to 28 washes. After that, it gradually returns to your natural colour. The durability of the colour may vary depending on the condition of your hair.