John Frieda Precision Foam Colour is a foam hair color that provides salon quality results in the comfort of your own home. The product comes in a variety of shades and is simple to apply. After applying it, all you need to do is massage it into your hair until you have the desired coverage. This product is also guaranteed to give you 100% gray coverage and provides deep color saturation. To get the best possible results, you should use it every two to three weeks for best results.