p-Phenylenediamine, the allergen of the year? Why now? Granted, p-phenylenediamine (PPD) has been the leading permanent hair coloring agent or oxidative hair dye in most of the Western world since ...

6PPD stands for the chemical N-(1,3-dimethylbutyl)-N’-phenyl-p-phenylenediamine. When 6PPD reacts with ozone in the air, it ...

Also, the dye commonly utilised in hair colour, known as PPD (p-Phenylenediamine), is detrimental to hair health. Excessive use of such dyes may harm the overall health of the hair shaft. Using softer ...

An ingredient in the hair dye a French woman used caused her to develop a vision-robbing retinopathy, researchers report.

If the Win + P keyboard shortcut combination is not working on Windows 11/10, take these steps to resolve the issue: Once you have tried all the preliminary methods, but they fail to resolve the ...

Chang, Cha-Wen Chung, Chen-Hsien and Liou, Guey-Sheng 2008. Novel Anodic Polyelectrochromic Aromatic Polyamides Containing Pendent Dimethyltriphenylamine Moieties ...

P-Square were popular across Africa, winning MTV Africa's Artist of the Decade award in 2015 The musical twin brothers who make up P-Square, one of Africa's best-known Afrobeats groups, have ...

With the Super Bowl set to arrive in New Orleans next year, Mayor LaToya Cantrell has named Percy "Master P" Miller as her new "entertainment ambassador," enlisting the hip-hop mogul from the city ...

Singer Danielle Moore - who fronted the electronic band Crazy P - has died aged 52 in "sudden and tragic circumstances", the group has confirmed. While her bandmates did not share her cause of ...

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such as N-isopropyl-N′-phenyl-p-phenylenediamine agents in the black rubber mix patch-test allergen. The latter are more likely to cause problems in the workplace but may also be used in garments.

The aromatic amine in the dye used in this case was para-phenylenediamine. Upon examination, the woman was found to have multiple retinal detachments that resembled the damage that can occur in ...