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Q. Breast cancer runs in my family. My mother had it first and I was diagnosed six years ago. Mine was estrogen receptor positive so I avoid sources of estrogen.
Last year I read that some sunscreens have estrogenic activity. Is this true? I would like to know for my own safety and for my daughters and granddaughters. They will be slathering on sunscreen all summer long. I’d like to know which ingredients could be a problem and which are safe.
A. It comes as a shock to many people that some chemicals in sunscreens can be absorbed into the body (Journal of the European Academy of Dermatology and Venereology, Apr, 2008). Benzophenone-3 (BP-3) is also known as oxybenzone. This common sunscreen ingredient has estrogenic activity, though the risk remains uncertain. Nevertheless, it might be prudent to look for other options.
Physical blockers like zinc and titanium seem safe and are recommended by dermatologists. We are sending you our Guide to Skin Care with more details on sunscreens and a list of our favorites.

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I am also a breast cancer survivor and have also heard about sunscreens producing estrogen. I cannot have anything that contains estrogen in or on my body, so I would like to know any brands to avoid and which brands are safe.
PEOPLE'S PHARMACY RESPONSE: THE ENVIRONMENTAL WORKING GROUP MAINTAINS A LIST. HERE ARE THEIR RECOMMENDATIONS:
http://www.cosmeticsdatabase.com/special/sunscreens2008/brandranks.php
Last year I was concerned about my sunscreen and found that my sunscreen had everything it should not have. I looked up Safe Sunscreen online and found one that is very good and does not have all the bad chemicals. I got it from Mexitan . Just in case you want to check it out.