at which point the first part of the two part solution is added to the hair rubbed in and allowed to sit for approximately 20 minutes the total time is dependent on the color required for example if the color being applied was a shade of brown the longer the solution is left on the hair the darker the shade of brown that will result another useful and unexpected result was obtained when either the substantially pure plant dye and or the mineral or metallic salt was encapsulated in a lipid gelatin calcium alginate polymethyl methacrylate urea pmmu or other water impermeable shell the encapsulation of either the plant dye the mineral or metallic salt or both allows the dye and salt to be combined together into an aqueous solution that can be used in formulations including but not limited to color gels color creams color shampoos color conditioners and the like this compatibility is not possible absent the encapsulation step because of the speed with which the mordant reacts with the dye to form an insoluble complex that precipitates out of solution and is less effective as a dye due to the insoluble complex of mordant and dye forming outside of the presence of keratin fiber moreover these formulations with an encapsulated part are stable for long periods of time more than 6 months yet can be applied as a one step quick action hair color i e a one part system to color human hair in 10 20 minutes or less in a preferred.