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Exposure of humans to cosmetic UV filters is widespread
Date:11/2/2010

ems plausible that exposure to other cosmetic constituents such as synthetic fragrances is also linked to the use of the corresponding products. However, this could not be investigated because musk fragrances are not declared. In contrast, classical contaminants such as PCBs, DDT and metabolites of DDT as well as some other persistent organochlor pesticides represented a rather uniform background exposure. Their levels were in part correlated with each other and also with fat-rich nutrition.

A total daily intake of each individual chemical was calculated for each individual infant from their individual levels in human milk. Calculation included fat content of individual milk samples, total daily milk intake per infant and body weight of the infant. Some infants exhibited values of daily intake of PCBs and several organochlor pesticides that were above US EPA reference dose values.

Margret Schlumpf and Walter Lichtensteiger, who lead the research said, "Research on the effects of endocrine disrupters (chemicals interfering with hormone actions) has shown that it is of utmost importance to obtain information on simultaneous exposure of humans to different types of chemicals because endocrine active chemicals can act in concert. Information on exposure is particularly important for the developing organism at its most sensitive early life stages. Human milk was chosen because it provides direct information on exposure of the suckling infant and indirect information on exposure of the mother during pregnancy."

An important question during the research was: To what extent lifestyle can influence the presence of chemicals in breast milk? This question was the foundation for the preparation of the questionnaire. The questions were focused particularly on the use of cosmetic products; information on the relationship between the exposure of human populations to constituents of cosmetics and the presence of these constituents in the human body was li
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Contact: Carolien Van Der Zanden
C.Zanden@elsevier.com
31-204-853-346
Elsevier
Source:Eurekalert

Page: 1 2 3

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