Milbon SOPHISTONE Permanent Color includes 61 beautiful shades across 12 tonal groups, 4 high lift colors, and 4 intensifiers. Powered by advanced Double Adhesion Technology™, this comprehensive collection has been specifically designed to deliver more vibrant, longer-lasting results. Its unique form-shifting formula ensures excellent spreadability along with optimal thickness for exceptionally precise application. Reinforced with Milbon's Conditioning Formula-Protective Replenishing Lipids and Shine Enhancer-SOPHISTONE Permanent Color locks in brilliant shine and a smooth finish, leaving hair feeling and looking healthier. Activate with SOPHISTONE Cream Developers: Vol. 10, 20, 30, and 40.