This is one of those products that claims to be natural and free of harsh chemicals, but actually doesn't mention that it contains one of the worst chemicals for your health: Phenylenediamine, or PPD.
I have used this hair color at least three times, and I love the actual color (that is why this gets two stars instead of just one). I chose this brand because I thought it was natural and safe, which is what the package advertises. However, I did not understand why this "natural" product would cause my scalp to itch for several days, sometimes weeks at a time (as with my latest use). I did a bit of research, and found that this product contains Phenylenediamine / PPD, which is an aniline dye also known as a coal tar dye. Basically, it is petroleum. It is a substance used in rubber chemicals, photo developer, oil, gasoline, ink, textile dyes, and, of course, hair dye. The only legal use of PPD in cosmetics is as a hair dye. It is not approved for direct application to the skin by the FDA!! Hair dye is in direct contact with the skin for sometimes up to 30 minutes. The FDA apparently feels that it is unsafe to use PPD for uses such as tattoos but safe enough to apply directly onto your scalp.
I just used this color for the last time two days ago, and my scalp is itching like crazy. Reading about further side effects that my develop with continued use has scared me. I will never use it again. I hope that you are choosing this product because of the color, and NOT because it is "natural" and completely safe, because that is an untruth promoted by misleading marketing.