Casting Crème Gloss by L'Oreal Paris is a semi-permanent hair dye that adds natural-looking colour to your hair. The no-ammonia crème formula is formulated to give you a rich and glossy shine thats lasts up to 28 shampoos.Choosing your perfect shade:Hair colour result will vary depending on your natural colour. If you are deciding between 2 shades, we recommend to always choose the lightest.