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Both Sodium Lauryl Sulfate (SLS) and its close relative Sodium Laureth Sulfate (SLES) are commonly used in many soaps, shampoos, detergents, toothpastes and other products that we expect to "foam up". Both chemicals are very effective foaming agents, chemically known as surfactants. SLS and SLES are esters of Sulphuric acid - SLS is also known as "Sulfuric acid monododecyl ester sodium salt", however there are over 150 different names by which it is known - see them here. In fact, SLES is commonly contaminated with dioxane, a known carcinogen. Although SLES is somewhat less irritating than Sodium Lauryl Sulfate, it cannot be metabolised by the liver and its effects are therefore much longer-lasting. A report published in the Journal of The American College of Toxicology in 1983 showed that concentrations as low as 0.5% could cause irritation and concentrations of 10-30% caused skin corrosion and severe irritation. National Institutes of Health "Household Products Directory" of chemical ingredients lists over 80 products that contain sodium lauryl sulfate. Some soaps have concentrations of up to 30%, which the ACT report called "highly irritating and dangerous". Shampoos are among the most frequently reported products to the FDA. Reports include eye irritation, scalp irritation, tangled hair, swelling of the hands, face and arms and split and fuzzy hair. The main cause of these problems is sodium lauryl sulfate. Click here to learn of the possible health effects of SLS/SLES So why is a dangerous chemical like sodium lauryl sulfate used in our soaps and shampoos?The answer is simple - it is cheap. The sodium lauryl sulfate found in our soaps is exactly the same as you would find in a car wash or even a garage, where it is used to degrease car engines. In the same way as it dissolves the grease on car engines, sodium lauryl sulfate also dissolves the oils on your skin, which can cause a drying effect. It is also well documented that it denatures skin proteins, which causes not only irritation, but also allows environmental contaminants easier access to the lower, sensitive layers of the skin. Perhaps most worryingly, SLS is also absorbed into the body from skin application. Once it has been absorbed, one of the main effects of sodium lauryl sulfate is to mimic the activity of the hormone Oestrogen. This has many health implications and may be responsible for a variety of health problems from PMS and Menopausal symptoms to dropping male fertility and increasing female cancers such as breast cancer, where oestrogen levels are known to be involved. Products commonly found to contains Sodium Lauryl Sulfate or SLES Soaps To find hair, personal and household products without ANY SLS or other harmful chemicals, please click this link - SLS-free products.
Do not believe that just because a product is labeled as "natural" it is free from SLS or SLES. Most common brands of "Natural" or "Herbal" shampoos and cleansers still use these harmful chemicals as their main active ingredient - check your labels! The potential effects of SLS on health are discussed here and the NLM's data on the subject is available here. Back from Sodium Lauryl Sulfate to Harmful Chemicals
Possible
Effects of SLS on Health Non SLS-containing hair care, personal care and household products Forbidden Medicine The medical breakthroughs you're not supposed to hear about. Politics in healing How your health is not necessarily at the top of the agenda, even with your healthcare provider. Transforming your health in 90 day or less Search our site with Google
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