Read more about (1) black henna, (2)how indigo is mislabeled as black henna, the truth about neutral henna, and how to find out if there is green dye in the henna powder.
(1) One common error is "black henna." Let's begin by stating the fact that there is no such thing as black henna. "Black henna" is a name that has been attached to 2 different types of substances in the henna industry. The first substance is a harsh chemical which contains para-phenylendiamine (PPD). PPD is a phosphorus based black hair dye that causes blistering, rashes, sores, and is a potential carcinogen. Unfortunately, some people apply this substance to the skin in order to get a design that looks black, and similar to a real tattoo. Health Canada warns against black henna.
Indigo, when used as hair dye in conjunction with henna can give you a jet black stain, thus, distributors of indigo labeled it as black henna. For the sake of keeping things simple, distributors label indigo as black henna, because it can give you a black stain (on the head only).
Cassia obovata is a powder that looks very much like henna powder, but generally does not stain the hands or hair. Cassia is an excellent conditioner, making the hair glossy and thick, promoting a healthy scalp and hair growth. Because of its anti-bacterial and anti-fungal properties, cassia conditioning treatment is perfect for dandruff. Henna Art now has cassia for hair available! Please do not be mistaken: "cassia" by itself is the name for cinnamon, whereas "cassia obovata," also commonly known as "senna" is the product used for the hair.
Buy quality henna powder, always triple sifted for body art!
With this information, it will be easier to choose the right henna powder, and distinguish the differences among commonly made errors associated with henna.
Happy henna shopping!