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在网上我们可以找到有很多关于十二烷基硫酸钠/ 十二烷基醚硫酸钠的报导和流言，但它真的致癌吗？
让我们通过这文章澄清关于这个化学物体的争议。
为了方便我们了解这两个化学物体，我们在以下文章统称他们为SLS。
当你发现洗脸时，感觉皮肤干燥了，或洗头时，感觉头皮痕痒，又或者刷牙时，导致口腔溃疡，SLS可能的罪魁祸首。
研究显示，解除性皮肤病和SLS有着显著的相关性。
根据美国大学毒理系的杂志报导，它能使我们的细胞膜退化，因为它导致蛋白质的属性变质了。
该杂志补充说：“即使使用低浓度的SLS也能高度的渗透我们皮肤渗透。
There are a lot of rumors out there about Sodium Lauryl Sulfate / Sodium Laureth Sulfate.
Is it really a carcinogen?
We’ve put together this article to clear up the confusion about the debated chemical.
To make it easy we’re going to refer to Sodium Lauryl Sulfate and its even more evil twin, Sodium Laureth Sulfate from this point forward as SLS.
If you have the suspicion that washing your face is making your skin dry, or that shampooing is giving you an itchy scalp ，
or that cleaning your teeth is giving you mouth ulcers, sodium lauryl sulfate is the likely culprit.
In studies, there are “significant correlations” between SLS and contact dermatitis.
The Journal of the American College of Toxicology says that it has “a degenerative effect on the cell membranes because of its protein denaturing properties”.
The Journal adds that “high levels of skin penetration may occur at even low use concentration.
Here are our top ten reasons you should not use anything containing SLS
这是我们10个不应该使用含有SLS 的用品
1. It is a known skin irritant. When cosmetic companies need to test the healing properties of a lotion, they need toirritate the skin first. What do they use to do this? SLS, of course. If you have dandruff, dermatitis, canker sores, or other irritated tissues or skin, it could be due to SLS.
它对皮肤的刺激性已经众所周知。当化妆品公司需要测试乳液的作用，他们需要先刺激皮肤？他们用什么来做到这一点？ SLS，当然。如果你有头皮屑，皮炎，溃疡或其他皮肤受刺激，也可能是由于SLS。
2. It pollutes our groundwater. It is toxic to fish and other aquatic animals and has the potential for bioaccumulation (meaning it accumulates in the bodies of the fish.) It also is undetected in many municipal water filters, getting into the tap water that you drink.
它污染了我们的地下水。它对于鱼类和其他水生动物和具有生物蓄积的潜力（这意味着它积聚在鱼类的身体）。它也未被发现在许多市政水过滤器，并进入你喝自来水。
3. It is actually a pesticide and herbicide. It is commonly used to kill plants and insects. Makers of SLS recently petitioned to have SLS listed as an approved pesticide for organic farming. The application was denied because of its polluting properties and environmental damage.
它实际是一种杀虫剂和除草剂。 它通常用来杀死昆虫和植物。制造SLS的商家最近申请批准SLS农药可以使用在有机农业。但是该申请被拒绝，因为它污染的属性和造成环境破坏。
4. It emits toxic fumes when heated. Toxic Sodium Oxides and Sulfur Oxides are released when SLS is heated. Makes a hot shower with an SLS shampoo seem not quite as nice…
它会发出有毒气体当被加热。有毒的钠氧化物和硫氧化物会被释放时，当SLS被加热。所以当我们洗热水淋浴时，使用含SLS的沐浴露似乎不太好...
5. It has corrosive properties. According to the American College of Toxicity, this includes corrosion of the fats and proteins that make up skin and muscle. SLS can be found in garage floor cleanrs, engine degreasers, and car wash soaps.
它具有腐蚀性质。 根据美国大学毒理系，这包括构成皮肤，肌肉脂肪及蛋白质的腐蚀。SLS 也可以在地板清洁剂，因引擎除油剂和洗车清洁剂中找到。
6. Long-term permeation of the body’s tissues. A study from the University of Georgia Medicine showed that SLS had the power to permeate the eyes, brain, heart, and liver.
长期渗透人体的组织。佐治亚医学院的大学的一项研究表明，SLS具有能渗透眼睛，大脑，心脏和肝脏的力量。
7. It’s an eye irritant. It was shown to cause cataracts in adults, and is proven to inhibit the proper formation of eyes in small children.
对眼睛的刺激。 它已经证明能导致成年人白内障，并且证明能够抑制小孩子眼睛的正常发育。
8. Nitrate and other solvent contamination. Toxic solvents, including carcinogenic nitrates are used in the manufacturing of SLS, traces of which can remain in the product.
硝酸盐及其他溶剂污染。SLS的生产过程中使用了有毒的溶剂包括致癌硝酸盐，微量的毒素可能留在产物中。
9. Manufacturing process is highly polluting, emitting cancer-causing volatile organic compounds, sulfur compounds, and air particulates.
制造过程高度污染，放射出致癌的有机化合物，硫化合物和空气颗粒物。
10. It helps other chemicals get into your body. SLS is a penetration enhancer, meaning that its molecules are so small they’re able to cross the membranes of your body’s cells. Once cells are compromised, they become more vulnerable to other toxic chemicals that may be with the SLS.
它帮助其他化学物体渗透你的身体。 SLS 是一种渗透增强剂，这意味着它的分子是如此的小，它们能够渗透身体细胞的细胞膜。一旦细胞遭到破坏，它们变得更容易遭受其他有毒化学物体的破坏。
Does it cause cancer?
它会致癌吗？
SLS is not a recognized carcinogen itself, but there is some truth behind those internet rumors. When SLS is mixed with triethanolamine (or T.E.A) carcinogenic substances called Nitrosamines can form and be released.
SLS 本身并不是致癌物，但是当它和三乙醇胺混合，一种称为 亚硝胺的致癌物就会形成和释放出来。
Sources:
https://smartklean.wordpress.com/2011/09/08/top-10-reasons-to-avoid-sodium-lauryl-sulfate/
NewsTarget “Popular Shampoos Contain Toxic Chemicals Linked to Nerve Damage” Mike Adams, January 11, 2005
MSDS Data Sheet for Sodium Lauryl Sulfate
MSDS Data Sheet for Sodium Laureth Sulfate
“OCA & Cancer Prevention Coalition Warn of Hidden Carcinogens in Baby Care” AScribe Newswire, Feb 28, 2007
“Technical Evaluation Report: Sodium Lauryl Sulfate” Compiled by ICF Consulting for the USDA National Organic Program, February 10, 2006
Environmental Working Group / Skin Deep http://www.ewg.org/skindeep
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