If you are allergic to chemical hair dye, or have been advised by your physician to not use chemical hair dye to dye your hair, you should be able to use Ancient Sunrise® Rajasthani Twilight henna and other Ancient Sunrise® products safely. We have tested all Ancient Sunrise® hennas through an independent certified laboratory to insure that they have NO lead, NO PPD, NO contaminants, adulterants or pesticide residue. Ancient Sunrise® Rajasthani Twilight henna is independently certified 2.3% lawsone content.
The links below connect to chapters of the free e-book Ancient Sunrise® Henna for Hair, a book researched and written by Catherine Cartwright-Jones PhD, a researcher who focused her graduate and doctoral work on henna. Ancient Sunrise® Henna for Hair is meant to help people understand how to dye their hair without chemicals, to protect their own health and the health of the planet they live on, to correct the misconceptions that have lead to chemical hair dye industry replacing henna, and to dispel the abundant misinformation about henna. You can download these selected chapters or download the entire book free of charge at http://www.hennaforhair.com/freebooks/