Tuesdayâs debate between the Democratic presidential candidates, including Hillary Clinton and Bernie Sanders, will be streamed online for free. CNN, which is hosting the debate, will have it available on CNN.com and on the networkâs mobile apps. Coverage begins at 8:30 p.m.
Paraphenylenediamine (PPD) is a chemical substance that is widely used as a permanent hair dye. It may also been found in textile or fur dyes, dark coloured cosmetics, temporary tattoos, photographic developer and lithography plates, photocopying and printing inks, black rubber, oils, greases and gasoline.
Is there an hair color ingredient that is setting off my allergic reaction? The most common hair color ingredient that people have a reaction to is a substance known as PPD, shortened from the scientific name of paraphenylenediamine. Itâs frequently used in commercial hair dyesâboth drugstore and salon brandsâand is primarily used to fight color fade.