(redirected from Paraphenylenediamine)

p- phenylenediamine

/p- phen·yl·ene·di·amine/ (fen″il-ēn-di´ah-mēn) a derivative of benzene used as a dye for hair, garments, and other textiles, as a photographic developing agent, and in a variety of other processes; it is a strong allergen, causing contact dermatitis and bronchial asthma.
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She recommends avoiding testing for strong sensitizers such as paraphenylenediamine, in children younger than 12 years of age who don't have a history of exposure.
A patch test to paraphenylenediamine (PPD) was planned, but the patients' parents were worried about the strong reaction of the patch test.
A chemical called paraphenylenediamine, or PPD, is added to henna to make the temporary tattoos darker.
Although generally safe, some tattooists add dangerous amounts of paraphenylenediamine (PPD), an ingredient commonly used in hair dyes, to darken the colour.
N-Acetylation of paraphenylenediamine in human skin and keratinocytes.
47%) followed by paraphenylenediamine in 3 patients (7.
Poisoning with paraphenylenediamine (PPD)-containing hair dye is emerging as a new way of deliberate self-harm in various developing countries of Asia and Africa, and it is accompanied with high human death rate.
The foundation said the paste used in most black henna tattoos is based on the powerful and toxic chemical paraphenylenediamine (PPD), which is used in hair dyes.
Allergic contact dermatitis to paraphenylenediamine in hair dye after sensitization from black henna tattoos: A report of 6 cases.
Background: Paraphenylenediamine (kala pathar) poisoning is an emerging way of self-harm in developing countries.
Lee, "Quantification of paraphenylenediamine and heavy metals in henna dye," Contact Dermatitis, vol.
She believes it was a sensitivity to Paraphenylenediamine (PPD) that is used in most hair colour systems - and for which hairdressers should always perform a patch test.