Kadus ammonia-free semi-permanent hair color delivers vibrant color and multi-dimensional shine . It delivers flawless, reliable results every time thanks to its ammonia-free technology with Vitaflection microspheres. Its extra rich cream formula based on waxes and lipids guarantees shine and intense color. It covers up to 50% of gray hair and lasts up to 24 washes . Its high concentration of 500 trillion Vitaflection microspheres acts on each hair fiber. Hair is 50% shinier than natural. Kadus semi-permanent color balances colors in the lengths and ends. Its prestige fragrance system offers a more pleasant salon experience for the client and the professional.