Mandal K, Chakrabarti B, Thomson J, Siezen RJ. However, the toxicity of SLS depends largely on the marine species, water hardness, and water temperature.41,43,44, By the time cleaning product ingredients reach natural waters, they are mostly degraded. Sodium Lauryl Sulfate is responsible for eye irritations, tangled split and fuzzy hair, and scalp irritations. This means that while SLS as a raw material at 100% concentration may have a LD50 of >5,000 mg/kg, formulations that contain diluted or lesser concentrations of SLS are not necessarily toxic and can even be nontoxic. hello. Actives ingredients: Strengthening horsetail, Conditioning coconut oil, Soothing chamomile, Biodynamic nettle for scalp health, Shine-promoting rosemary and Moisture-locking aloe vera juice. There is no discussion of hair loss. Like sodium lauryl sulfate (SLS), coconut diethanolamide can break down skin's oily barrier layer and dry it out, but certain people develop more intense allergic reactions to it. Sodium lauroyl sarcosinate is only similar to sodium lauryl sulfate in that they're both surfactants, but that's about where it ends. Goulding R, Ashforth G, Jenkins H. Household products and poisoning. Last Update: October 15, 2022. . 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. Non-irritant baby shampoos may cause cataract development. SLES ethoxylated with petrochemicals has a biobased content of 76%. Ingredients and formulations with an LD50 of 5,000 mg/kg are classified as nontoxic.12 The acute oral toxicity of SLS as a raw material is reported to range from 600 to 1,288 mg/kg (in rats), which indicates that SLS is toxic to rats as a standalone ingredient.68, The acute oral toxicity of SLS is not disputed, but it is relevant to the overall safety review of SLS. According to the National Library of Medicines TOXNET database, SLS is not classified as a known or suspected mutagen, reproductive or developmental toxicant, neurotoxicant, or endocrine disruptor.33. Permeability. Follow this: Sodium Coco Sulfate is a blend of the fatty acids in coconut oil; Coconut oil is comprised of around 40 to 50% lauric acid* That means that the Sodium Coco Sulfate may actually contain 40 to 50% Sodium Lauryl Sulfate; The bottom line lies in the science. This review demonstrates how scientific works can be misinterpreted and used in a manner that was not intended by the authors, while simultaneously providing insight into the true environmental health impact of SLS. Sodium lauryl sulfate (SLS), also known as sodium laurilsulfate or sodium dodecyl sulfate, is an anionic surfactant commonly used as an emulsifying cleaning agent in household cleaning products (laundry detergents, spray cleaners, and dishwasher detergents). The names and labeling of different chemical compounds in toiletries can be confusing. Sulfates and sulfites are commonly used as preservatives in foods. Periodontistlove 3 mo. SLES is an inexpensive and very effective foaming agent. Lewis MA. Copyright 2022 Leaf Group Ltd., all rights reserved. In 1998, the American Cancer Society (ACS) published an article attempting to correct the publics misconception of SLS.32 Regardless, false claims about SLS proliferated throughout the digital media, causing consumers to develop significant concerns about SLS in household cleaning products. This review clearly demonstrates the known risks and benefits of using household cleaning products that contain SLS. She has worked as a medical writer, paralegal, veterinary assistant, stage manager, session musician, ghostwriter and university professor. So, the vast majority of recurrent canker sore patients . In the pharmaceutical industry, it has been used as an excipient in dissolvable dosage forms. Ecotoxicity studies have determined that a surfactant concentration of 0.5 mg/L of natural water would be essentially nontoxic to fish and other aquatic life under most conditions.42 It is suggested, however, that chronic toxicity of anionic surfactants occurs at concentrations as low as 0.1 mg/L.40. Owing to the irritation potential, however, consumer product manufacturers are required to conduct testing to appropriately characterize the dermal toxicity of the product and label the product with the appropriate warnings and first aid information according to the mandatory labeling requirements of the CPSC.12. Look for shampoos made with essential oils, or wash your hair with baking soda. These fatty alcohols undergo oxidation to produce fatty acids, which are degraded by -oxidation and fully mineralized and incorporated into the biomass.45 Thus, the decomposed by-products of SLS are benign to the environment. However, some people with a sensitivity to SLS can experience allergic reactions to this compound. the display of certain parts of an article in other eReaders. U.S. Food and Drug Administration (FDA), 21 C.F.R. It is apparent that the common use of SLS as a solubilizing agent in toxicology studies has led to the publics confusion around the chronic toxicity of SLS. Ammonium lauryl sulfate, or ALS, is similar to SLS and poses similar risks. Allergic reactions or sensitivity to SLS have been associated with scalp itchiness and dry, cracked, itchy or flaky skin. Rather, the report recommends that cosmetic products applied to the skin not contain concentrations of SLS >1% due to its potential to deposit on hair follicles.1,2 In addition, the report states that additional research would be required to elucidate the true effects of the deposition. De Jongh CM, Verberk MM, Withagen CE, Jacobs JJ, Rustemeyer T, Kezic S. Stratum corneum cytokines and skin irritation response to sodium lauryl sulfate. Sodium lauryl sulfate allergy symptoms. I know of no one who is allergic to sulfate. This can be very irritating to the eyes. Only ships with $35 orders. Griffith JF, Nixon GA, Bruce RD, Reer PJ, Bannan EA. Cloralstan technology formulated to kill 99.9% of germs. This acid is known to be corrosive, and it can affect your health if you're exposed to it. contact or inhalation, allergy has not been described. You'll find it mostly in cleansing products like cleansers, shower gels, shampoos, etc. $5.29. It, too, is a surfactant that acts as an effective cleansing and foaming agent, which is why it's often used in hair care products. Environmental Working Group&amp;amp;#039;s Skin Deep Cosmetic Safety Database: Sodium Lauryl Sulfate, Mercola: Sodium Lauryl Sulfate: Facts vs. Fairy Tales, National Institute for Occupational Safety and Health: Sodium Lauryl Sulfate, National Institute for Occupational Safety and Health: 1,4-Dioxane. But does it actually damage the tissue? For this reason, the FDA recommends using less than 1% in personal care products. Toothpaste Allergy Symptoms Regularly toothpaste hypersensitivity is misdiagnosed or not reported. DB00815. Sodium lauryl sulfate: This is a foaming agent that guides in expelling microorganisms and debris from the teeth and in addition cleanses the teeth. Paper subject to independent expert blind peer review. How can you avoid contact with Sodium lauryl sulfate? Headspace analysis of 1,4-dioxane in products containing polyethoxylated surfactants by GC-MS. Singer MM, Tjeerdema RS. The only way to make sure a product contains no SLS is to read the entire ingredient list. The acute oral toxicity of individual ingredients and formulated products is measured in terms of the median lethal dose (LD50), which indicates the quantity by weight (typically in milligrams of substance per kilograms of body weight) required to kill half of the laboratory animals receiving that dose. Another carcinogenic by-product, 1,4-dioxane, is falsely associated with SLS.32 1,4-dioxane is categorized as possibly carcinogenic to humans by IARC,34 and the potential for some surfactants like sodium laureth sulfate (also called sodium lauryl ether sulfate or SLES) to be contaminated with 1,4-dioxane during the ethoxylation process is well established.36 Barring contamination by manufacturing equipment, surfactants that are not ethoxylated, such as SLS, do not share the same risk of 1,4-dioxane contamination. The properties of SLS can cause already sensitive or dry skin to itch, . Products with the EWG VERIFIED mark have met the . Normally, soaps and toothpaste are incorporated with SLS for foam. Check for a product which doesnt include SLS in it. Sulfates- If you've read the "sulfate-free" labels on shampoo bottles, that is because sulfatessuch as sodium lauryl sulfate (SLS) and sodium laureth suflate (SLES) can be harsh . A study published in 1998 by the European Journal of Dermatology is also cited as supporting claims that SLS causes hair loss.38 This study investigates the effects of oxidative stress on skin irritation and uses SLS as an experimental irritant. There are also reported cases of it being responsible for the swelling of the face and arms. Sulfa vs Sulfate : "sulfa allergy " is a term used to describe adverse drug reactions to the antibiotic group sulfonamide, which include septra and bactrim ( sulfamethoxazole and trimethoprim ). Sodium laureth sulfate, also commonly referred to as SLS or sodium lauryl ether sulfate, is a key ingredient in many toiletry products. Some people get mouth ulcers from SLS in toothpaste. IARC monographs on the evaluation of carcinogenic risks to humans. But, when sensitive skin people use these chemical ingredient items, substances like SLS can irritate the skin. Free shipping*. This chemical is synthesized by reacting lauryl alcohol from a petroleum or plant source with sulfur trioxide to produce hydrogen lauryl sulfate, which is then neutralized with sodium carbonate to produce SLS.5, SLS (CAS# 151213; MW 288.38 g/mol; pH 7.2) is a nonvolatile, water-soluble (100150 g/L at room temperature) compound with a partition coefficient (log Pow) of 1.6 making it a relatively hydrophilic compound.68 Generally, hydrophilic compounds have a low soil/sediment adsorption coefficient and low bioconcentration factors (BCFs). . FUNDING: JLMs work as a scientific writer for this manuscript was funded by Seventh Generation. Sodium laureth sulfate is used to make toiletry products foam when they are mixed with water. Sodium lauryl sulfate is a surfactant, and its efficacy, low cost, abundance and simplicity mean it's used in a variety of cosmetic, dermatological and consumer products. ; July 2010, "Journal of AOAC International"; Occurrence of 1,4-dioxane in Cosmetic Raw Materials and Finished Cosmetic Products; R.E. All Material Provided within this Website is for Informational and Educational purposes only, And is not to be construed as Medical advise or Instruction. Federal Hazardous Substances Act Regulations, 16 C.F.R. The findings presented by Green et al.14 do not suggest that ocular exposure to consumer products containing SLS causes blindness or severe damage to the cornea. that it can cause severe dermal sensitization. In response to the media attention generated by a company promoting the anti-SLS campaign at the time Green, the studys lead author, was interviewed regarding this work. Unlike other surfactants known for irritating or stripping the skin (looking at you, sodium lauryl sulfate) sodium lauroyl lactylate is known to be much gentler."The EWG, or the Environmental Working Group, rates this ingredient as a very low-risk ingredient," Karhade explains."It's unlikely to cause any significant skin or other issues except in . The perception that SLS is carcinogenic is often based on studies that use the ingredient to evaluate the carcinogenicity of other agents. This type of toxicity is measured in terms of the median lethal concentration (LC50), which indicates the quantity by volume (typically reported as milligrams of substance per liter of water) required to kill half of the experimental population exposed to that dose. Willis CM, Reiche L, Wilkinson JD. 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