What is Black Henna?
black henna is produced by mixing para-phanylenediamine (PPD) with henna, natural dye based on plants. Although henna has been used for centuries to create temporary art and tattoos, black henna is a modern creature. Pure henna is made of Henna, Lawsonia inermis, and it is a safe, gentle way to die hair or skin. PPD is a chemical dye that is used in a range of products, including hair dye, dyes for fabrics and fur, printers and copying dyes and photo -developing chemicals. While Henna is a natural product, PPD, on the other hand, is listed by disease control centers (CDC) as a contact allergen and is a highly sensitizing substance, which means that most people will have an allergic reaction when it comes into contact with it.
black henna modern times differs from what was referred to as "black henna" in the 19th century. This was a dye used for black hair color that used indigo and henny. It's an importantName that there is nothing like a naturally occurring black henna. Technically, even pure henna in the United States is illegal for use on the body to create the art of the body, because Food and Drug Administration (FDA) has never approved it for skin use. Regardless of this, the use of henna for temporary tattoos is enhanced, even in the United States and the restrictions are forced.
The advantage of adding PPD to henna to create black henna is that it allows a tattoo artist to create a jet black tattoo that is colored in just 30 minutes. The use of pure henna is a more lengthy process that results in lighter brown spots. Black Henna's tattoo has become popular with tattoo artists in the area of resorts due to rapid dramatic results and their high profitable span. Because the use of PPD in henna is not regulated, the concentration of added PPD can change drasticallyAnd be significantly over what is approved for use in hair dyes.
Within a few days, Black Henna can cause extreme allergic reactions, resulting in red, blistering, itchy rashes and/or chemical burns that can boast and scar in the shape of a tattoo. Unfortunately, black henna can also lead to permanent sensitivity of PPD. Those who have experienced an allergic reaction to PPD in black henna may not be able to use hair dye, sunscreen, make -up or dark clothing that has a chemical substance. PPD in Černá henna can also be carcinogen and was associated with asthma.
If you or someone you know, you are considering henna tattoos, there are ways to check that the dye is pure henna. The powder used to make henna paste, as well as the paste itself, should be green. If it is very dark brown or black and/or has a chemical odor, it can be black henna. If you witness someone who receives a temporary tattoo that is fast staining and is tMavy black versus red brown spot pure henny, it's probably black henna.