Today the dying appears by a kit of several products, oven gloves, a color, a reagent and a brush. All these elements are long, delicate to coordinate and to use.
The solution would be of ease the application of the coloring by means of a single tool, not to have to prepare the solution is even and without being obliged to wear gloves.
What would also reduce the quantity of waste after its use.
winner 1st place of competition