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Tue Jun 21, 2005 4:00 pm  |
Hi,
I came across an interesting piece onwww.thegreenguide.com
It cautions against using L'Oreal sunblocks because they contain petroleum-derived paraben preservatives. It claims that these preservatives have been found in breast tumors
and may disrupt hormones.
Has anyone else heard or read about this?
Here is the link http://www.thegreenguide.com/doc.mhtml?i=ask&s=sunblock
Here is an excerpt:
The active ingredients found in most sunscreen products fall into two categories, according to their function. Chemical agents absorb the sun's ultraviolet (UV) radiation, which causes skin cancers and sunburns, converting it into harmless thermal energy. Physical agents block UV radiation, reflecting it off the body. Most sunscreen products employ a combination of these two components. Further, the UV radiation which causes most sunburns is in what's called the UVB range. Sunscreens are most effective at reflecting or blocking UVB radiation, but the longer wave UV radiation (UVA) breaks down collagen in skin, causing the aging effects of sun exposure, and may also increase the risk of melanoma. The rating sunscreens are given, the sun protection factor (SPF), indicates the degree of protection from UVB radiation. Choosing a broad-spectrum sunscreen, which protects against both UVB and UVA, is as important as choosing one with a high SPF.
Zinc and titanium oxides are sun blockers. From the research we've reviewed, both are effective broad spectrum UV blockers, and though both can be toxic if ingested, they are not absorbed by living skin cells and are considered safe for topical use (for products, see below).
Anthélios is the product name of sunscreen made by La Roche, which contains a relatively new chemical agent called Mexoryl. While it has been demonstrated to to be highly effective against broad spectrum UV radiation, the FDA has yet to approve the use of Mexoryl in the US. It can be purchased online from Canada, and a few select pharmacists sell it illegally. But it's not cheap: $11-$40 for a 100 ml tube. Mexoryl and titanium oxide are ingredients in La Roche-Posay's Anthélios XL, Garnier's Ambre Solaire and Ombrelle Extreme, all from L'Oréal. However, they also all contain petroleum-derived paraben preservatives, which have been found in breast tumors and may disrupt hormones (see "The Dirty Dozen Ingredients in Personal Care Products"). For this reason, The Green Guide does not recommend the current crop of mexoryl-containing sunscreens.
Just curious to know what your thoughts are on this piece of info.
Are there any sunblock products comparable to LRP that DON'T contain the paraben preservatives? |
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Tue Jun 21, 2005 6:25 pm |
Well, I did some searching and found this on parabens:
Another toxin used in organic personal care is methyl paraben. The majority of skin lotions and creams use methyl paraben as a preservative. In the past, worries over methyl paraben have centered on its low systemic toxicity, which can cause allergic reactions. Now methyl-, ethyl-, propyl-and butylparaben have been found to be weakly estrogenic. The European Union has asked the European industry trade group about the implications for breast cancer. While parabens are not potent estrogens, continuous topical exposure may pose a danger. In fact, because the liver metabolizes most ingested paraben, an article by Dr. Elizabeth Smith suggests you'd be better off drinking the stuff than regularly slathering it on your skin.
http://www.terressentials.com/organicbeauty.html
Can't vouch for the site. Just found it in a search.
Checked the ingredients of LRP FE SPF60 and a little more than halfway down is listed just about every paraben. |
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Tue Jun 21, 2005 6:48 pm |
This kind of came up in another thread, and this is what Darren said about it before...
"I know there is a study floating around on the web that states that trace amounts of parabens were found in cancerous breast tissue, but what they don't tell you, is that parabens were also found in non-cancerous breast tissue as well.
So the conclusion of that study really only stands alone. All it means is that the people who were biopsied had cancerous cells and also happened to use personal care products that contain parabens. But there was never a correlation between the two drawn or proven."
http://www.essentialdayspa.com/forum/viewthread.php?tid=6686&highlight=cancer |
_________________
~normal but prone to dryness~slightly sensitive~usually clear~totm breakouts~mid 20s~ |
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