Without further ADIEU! Our Colour Palette Charts have arrived. What an incredible professional way to choose the correct Henna for your client! BrowXenna® Colour chart book is a handy catalogue that contains all the shades of BrowXenna® Henna. In addition to a clear demonstration of colour on artificial hairs, it also describes how to work with BrowXenna® Henna. The BrowXenna® Colour chart book is a reliable assistant to the brow artist.