Mahogany is for use on medium browns for warmbrown highlights with hints of red.Chemical-based hair color is not an option for many consumers: allergies, pregnancy, color-resistant hair, and sensitive scalps prevent many from using chemical colors. A new study linking chemical color to brain tumors and other health concerns is now impelling many former users to search for a viable alternative. Happily, there is an answer: Avigal® Henna, the 100% natural hair colorant.Henna is the Pulverized leaves, roots and stems of the Lawsonia plant family: Lawsonia Inermis, Lawsonia Elba and Lawsonia Spinoza. When mixed with hot water and applied to the hair in a paste mixture, these leaves create subtle and natural highlights to all shades of hair without drying or chemically altering the structure of the hair.