Results 201 to 210 of about 10,556 (257)
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PARAPHENYLENEDIAMINE HAIR DYES
Archives of Dermatology, 1952HAIR DYES have been used since ancient times. There is evidence that the ancient Egyptians, Greeks, and Romans used them. The hair dyes used by the ancients were vegetable in origin. Nutgalls, saffron, thapsia, 1 henna, indigo, camomile, sage tea, and many others were used for hair coloring. Dermatitis or systemic poisoning from hair dyes is not known
L, SCHWARTZ, C, BARBAN
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Journal of Allergy, 1957
Abstract Patch tests with oxidation (para-) hair dyes were made on 1,024 hospitalized male and female patients. Black hair dyes having the highest concentration of aromatic diamines were used. Two black hair dyes, one based on paraphenylenediamine and the other on paratoluylenediamine, were selected.
F, REISS, M, GAHWYLER, B, LUSTIG
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Abstract Patch tests with oxidation (para-) hair dyes were made on 1,024 hospitalized male and female patients. Black hair dyes having the highest concentration of aromatic diamines were used. Two black hair dyes, one based on paraphenylenediamine and the other on paratoluylenediamine, were selected.
F, REISS, M, GAHWYLER, B, LUSTIG
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Hairdressers' skin exposure to hair dyes during different hair dyeing tasks
Contact Dermatitis, 2017SummaryBackgroundThe high risk of occupational skin disease among hairdressers, caused by skin exposure to irritants and sensitizers, such as hair dye substances, is of great concern.ObjectivesThe aim of the present study was to assess how the various tasks involved in hair dyeing contribute to hairdressers' exposure to hair dye, in order to enable the
Marie‐Louise Lind +4 more
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2015
Alopecia can be effectively camouflaged or worsened through the use of hair care techniques and dyeing. Proper hair care, involving hair styling and the use of mild shampoos and body-building conditioners, can amplify thinning scalp hair; however, chemical processing, including hair dyeing, permanent waving, and hair straightening, can encourage ...
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Alopecia can be effectively camouflaged or worsened through the use of hair care techniques and dyeing. Proper hair care, involving hair styling and the use of mild shampoos and body-building conditioners, can amplify thinning scalp hair; however, chemical processing, including hair dyeing, permanent waving, and hair straightening, can encourage ...
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Direct Photocatalyzed Hydrogen Atom Transfer (HAT) for Aliphatic C–H Bonds Elaboration
Chemical Reviews, 2022Luca Capaldo +2 more
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