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| | The Henna Page - PPD |
 | | Journal de Toxicologie Medicale 4, 279 - 283 1984 |
 | | United States Congress House Committee on Interstate and Foreign Commerce Subcommittee on Oversight and Investigations, "Safety of hair dyes and cosmetic products : hearing before the Subcommittee on Oversight and Investigations of the Committee on Interstate and Foreign Commerce, House of Representatives, Ninety-sixth Congress, first session, July 19, 1979" |
 | | In this document arguments are put forth before congress demonstrating that PPD and other ingredients in hair dye are hazardous to the consumers health, and is linked to cancers, is mutagenic, causes asthma, and has caused severe debilitating illnesses and deaths. |
| hennapage.com /henna/ppd/ppdmed.html (2462 words) |
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