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NEWS: BIG DROP IN CHEMICAL EXPOSURE JUST FROM SWITCHING COSMETICS

(TAKEN FROM UC BERKELEY NEWS) 

DID YOU KNOW that even a short break from certain kinds of makeup, shampoos and lotions can lead to a significant drop in levels of hormone-disrupting chemicals in the body??

Researchers provided teen study participants with personal care products labeled free of chemicals such as phthalates, parabens, triclosan and oxybenzone.

These chemicals are widely used in personal care products, including cosmetics, fragrance, hair products, soaps and sunscreens, and have been shown in animal studies to interfere with the body’s endocrine system.

“Because women are the primary consumers of many personal care products, they may be disproportionately exposed to these chemicals,” said study lead author Kim Harley, associate director of the UC Berkeley Center for Environmental Research and Children’s Health. “Teen girls may be at particular risk since it’s a time of rapid reproductive development, and research has suggested that they use more personal care products per day than the average adult woman.”

Analysis of urine samples before and after a three-day trial in which the participants used the lower- chemical products found significant drops in levels of these chemicals in the body. Metabolites of diethyl phthalate, commonly used in fragrances, decreased 27 percent by the end of the trial period. Methyl and propyl parabens, used as preservatives in cosmetics, dropped 44 and 45 percent respectively. Both triclosan, found in antibacterial soaps and some brands of toothpaste, and benzophenone-3 (BP-3), found in some sunscreens under the name oxybenzone, fell 36 percent.

Surprisingly, there was a small increase in concentrations in two less common parabens. Those levels were small and could have been caused by accidental contamination or a substitution not listed on the labels, the study authors said.

“One of the goals of our study was to create awareness among the participants of the chemicals found in everyday products, to help make people more conscious about what they’re using,” said Cárdenas. “Seeing the drop in chemical levels after just three days shows that simple actions can be taken, such as choosing products with fewer chemicals, and make a difference.”

The researchers noted that cosmetics and personal care products are not well-regulated in this country, and that getting data about health effects from exposure, particularly long-term ones, is difficult. But they say there is growing evidence linking endocrine-disrupting chemicals to neurobehavioral problems, obesity and cancer cell growth.

“We know enough to be concerned about teen girls’ exposure to these chemicals. Sometimes it’s worth taking a precautionary approach, especially if there are easy changes people can make in the products they buy,” said Harley.

Cárdenas said the research findings have already influenced the products she buys for herself.

“Personally, since the study, I’ve tried to use more organic products,” she said. “It’s hard, especially as a college student who doesn’t have a lot of money. You tend to just get what’s on sale. But I’ve decided to splurge more on products with fewer chemicals because of the effect in the future. And if you can’t make the best choice when you’re buying because of cost, you can at least try to limit the use of the products you do buy.”

 

Source: http://news.berkeley.edu/2016/03/07/cosmetics-chemicals/

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