SODIUM LAURYL SULFATE (SLS) - IT'S PROBABLY IN YOUR SHAMPOO, SHOULD IT BE?

๐๐โ๐ ๐ฃ๐ฟ๐ผ๐ฏ๐ฎ๐ฏ๐น๐ ๐ถ๐ป ๐ฌ๐ผ๐๐ฟ ๐ฆ๐ต๐ฎ๐บ๐ฝ๐ผ๐ผ... ๐ฆ๐ต๐ผ๐๐น๐ฑ ๐๐ ๐๐ฒ?
Sodium Lauryl Sulfate (SLS)ย is a common chemical found in shampoos, cleaning products and cosmetics.ย SLS is what's known as a โsurfactant.โย This means it lowers the surface tension between ingredients, which is why it's used as a cleansing and foaming agent.
According to the Environmental Working Group's Skin Deep Cosmetic Safety Database, SLS is a "moderate hazard" that has been linked to cancer, neurotoxicity, organ toxicity, skin irritation and endocrine disruption.
In medicinal products, SLS has a number of functional uses as an emulsifying agent, modified-release agent, penetration enhancer, solubilising agent, tablet and capsule lubricant. It is not recommended for the parenteral route of administration. Authorized medical products contain SLS ranging from 0.15% (e.g. creams) to 25% (medicated shampoos).
Being derived from inexpensive coconut and palm oils, SLS is a common component of many domestic cleaning products such as handsoaps, washing-up liquid etc. Sodium coco-sulfate is essentially the same compound, but made from less purified coconut oil.
Skin sensitivity to SLS varies according to the concentration of SLS, contact time, patient population and experimental approaches. Furthermore, attempts to elucidate the skin irritation threshold in humans is found to be dependent upon the site of the application, the vehicle in which SLS is dissolved, the method of application, duration and frequency of application, the duration of the study, the presence of other skin-irritating excipients and whether the application is under occlusion.
Recommending a threshold for SLS in topical products is difficult to establish given the range of confounding factors. However, it is a known skin irritant and is used as a positive (irritant) control in the cosmetic industry. It is, therefore, proposed to have a threshold of 0% for SLS in topical medicinal products for all age groups(1)
From the research studies Iโve read, it seems that products containing SLS concentrations greater than 1% are the most likely to cause health related dangers including skin, eye, and respiratory irritation. Also of concern are reported dangers of cancer from long term exposure.
๐ฆ๐ต๐ผ๐๐น๐ฑ ๐๐ผ๐ ๐ฎ๐๐ผ๐ถ๐ฑ ๐ฆ๐ผ๐ฑ๐ถ๐๐บ ๐๐ฎ๐๐ฟ๐๐น ๐ฆ๐๐น๐ณ๐ฎ๐๐ฒ?
Iโm not going to state any conclusions based on the number of conflicting reports on SLS safety. However, I would say consumer awareness is important when using products containing SLS, particularly with household cleaning products which often contain SLS concentrations of as much as 50%. There are a number of shampoos, cosmetics and household cleaning products that are now available without Sodium Lauryl Sulfate and Sodium Laureth Sulfate.
As a consumer, I find myself questioning more and more the safety of many chemicals weโre commonly exposed to that havenโt been sufficiently studied long term. Along the lines of clean eating comes clean personal hygiene. I think the growing trend toward โall naturalโ, โorganicโ and โsulfate-freeโ products will continue as more studies are released on the potential dangers of long-term exposure to man-made chemicals such as SLS.
Iโve attached an article,ย click here, reviewing some top rated SLS-free shampoos if youโd like to reduce you and your familyโs exposure to Sodium Lauryl Sulfate.
CLEAN LIVING... YOUR HEALTH DEPENDS ON IT
(1) European Medicines Agency. October 9, 2017
EMA/CHMP/606830/2014 corr. 1*
Committee for Medicinal Products for Human use (CHMP)
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