Insight INCOLOR is the Insight permanent colouring range. It's a high-quality colouring system, which guarantees a bright and intense colour. Ideal for a natural coverage of grey hair, without a painting effect, but also for fashionable and trendy work. NICKEL TESTED < 0,5 PPM Vegan Certified Benefits Adding to the Insight INCOLOR line, the Phytoproteic Coloring Cream and treatment with low content of ammonia. enriched with active ingredients of natural origin, it guarantees a high conditioning power. Allergen and free fragrance. It's a naturalised colour, hence it doesn't need to be used with a colour base to reach the desired effect.