Discover Formul Pro professional colorings . A hundred shades of oxidation coloring based on argan oil to give hair all the shine, softness and beauty it needs! Formul Pro oxidation colorings are therefore formulated with Argan oil but also vitamin E for stronger and more resistant hair, and stable pigments and components for intense, healthy and lasting results. Discover warm, beige & ash, brown, red & coppery, golden shades... Want a flashy color but are you afraid of getting bored of it? Formul Pro also offers Flashy Color; a whole range of semi-permanent coloring without ammonia. For perfect salon results at low prices .