Olia is the color that uses ammonia-free technology activated by the oil, to ensure a natural, intense and refined color that will never go out of style! The oil diffuses the color up to the heart of the hair, on the one hand the technological power guarantees maximum color intensity and 100% coverage of white hair, on the other hand the delicacy of the formula without ammonia pampers you with its floral scent , for a new and pleasant user experience.With the Olia line, the choice between a color result as you wish and ease of use becomes just an old memory.