All consumer and cosmetic product manufacturers are required to conduct thorough testing and include any adverse findings in the form of warnings on their labels. food particles). Of all the ingredients we use, Toms of Maine tends to receive the highest volume of questions about our use of SLS. Sodium Lauryl Sulfate (also referred to as Sodium laurilsulfate or Sodium dodecyl sulfate) is a synthetic organic compound widely used as an excipient and in personal care products as an anionic surfactant. Sodium lauryl sulfate is a surfactant used in most personal care products, soaps, commercial cleaners, and even in food. SLES is the most common of a group of commercial sodium and ammonium alkyl and alkyl ether sulfates. What are hives, the common skin condition that gives you itchy, red bumps? Monoisotopic mass 288.137115 Da. Under Section 107 of the Copyright Act 1976, allowance is made for Fair Use for purposes such as criticism, comment, news, reporting, scholarship, education, and research. Any references to particular product names, brands, descriptions, formats, styles, corporate entities, tests, applications, technologies, uses, standardisations, medical conditions, and treatments are for illustration purposes and should not be considered complete or binding. Alternately, the whole oil can be esterified and then hydrogenated to form the fatty alcohols of which lauryl alcohol would be isolated by fractionation. Sheskey, W.G. It is an inexpensive surfactant that foams easily and is an excellent detergent. [2] J. Hanaee, Y. Javadzadeh, S. Taftachi, D. Farid, A. Nokhodchi, The role of various surfactants on the release of salbutamol from suppositories, Farmaco, 59 (2004) 903-906. That something is called a surfactant. For something to be harmful, irritant or allergenic, it has to fulfil two criteria. Using a chemical that weakens this defence mechanism can potentially cause our skin harm. Learn more about this chemical, such as how it works and whether it's safe. Canker Sore: Causes. Sodium lauryl sulfate (SLS) is found in shampoos, soaps, various beauty and cleaning products, and even some foods. The Ph.Eur and B.P specified the assay content of Sodium lauryl sulfate which should be not less than 85% of sodium alkyl sulfates calculated as C12H25NaO4S. It may also be used to aid the dissolution rate of poorly soluble active substances during dissolution test measurements. While an approved excipient, Sodium lauryl sulfate is fairly harmful and acutely irritant to mucous membranes (eyes, upper respiratory tract and stomach). When we use a wash or beauty product on our skin, its probably a liquid made of a water phase and an oily phase. Another study, on seven volunteers over a three and a half month period, found regular contact caused irritation, and the irritation subsided once the skin was no longer exposed to SLS. In the Ph.Eur, Sodium lauryl sulfate is described as a mixture of sodium alkyl sulfates and consists mainly of Sodium lauryl sulfate (chemical formula, CH3(CH 2)10CH 2 OSO 3 Na). Learn more about what it is, why it is used, and if it is safe to use it. period: 24 In the pharmaceutical industry, it has been used as an excipient in dissolvable dosage forms. Sodium lauryl sulfate can interact with cationic surfactants, leading to decreased activity. Sodium lauryl sulfate is frequently confused with sodium laureth sulfate, but the two are distinct ingredients. Yousuf Mohammed receives funding from the U.S. Food and Drug Administration through grants 01FD005226,U01FD006946 and U01FD006700. This cap varies based on how long the product is likely to be in contact with the skin. PharmaCentral 2021 . In a pioneering procedure, a team of surgeons at New York University Langone Health Grossman School of Medicine in New lepopup_add_event("onexit", { The sodium lauryl sulfate formula is a highly effective anionic surfactant used to remove oily stains and residues. Health Check: what should I eat to improve my skin? Sodium lauryl sulfate (C12H25SO4Na) is a surface-active agent used in cleaning and cosmetic products. Sodium lauryl sulfate is frequently used as a surfactant, or foaming agent. The lauric acid is isolated and then hydrogenated to form the lauryl alcohol. This may partly be fueled by the volume of misinformation currently available on the internet. [1] C. Arias, I. Gmez-Escalonilla, C. Rueda, C. Molina, Influence of the purification of sodium dodecyl sulfate on the physical properties of solutions and O/W emulsions, Drug Dev Ind Pharm, 24 (1998) 95-100. So if its known to be irritating to human skin, why dont the regulatory authorities ban its use? If youve ever Googled the causes of a skin complaint or damaged hair, chances are someone on the internet has pointed the finger at SLS, or sodium lauryl (or laureth) sulfate, a common ingredient in beauty products, washes, toothpastes and even cleaning products. Its also important to note theres no scientific evidence SLS causes cancer, despite what you may read on the internet. Sodium lauryl sulfate is a surfactant, which means a molecule that has ampiphilic properties. Read more: We comply with the HONcode standard for trustworthy health information. Sodium Lauryl Sulfate. }); PharmaCentral.com may on occasion publish user-generated content. Sodium laureth sulfate (SLES), an accepted contraction of sodium lauryl ether sulfate (SLES), also called sodium alkylethersulfate, is an anionic detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste, etc.) In 2003, the US Department of Health and Human Services evaluated the safety of SLS concluding that SLS is safe for use in oral care products2. The oils can be split into glycerin and the component fatty acids, one of which is lauric acid. Pharmacopoeial Compliance: USP-NF; Ph.Eur; B.P; J.P; I.P, Synonyms and Trade Names: Sodium Lauryl Sulphate; Sodium Lauryl Sulfate; SLS; Sodium Dodecyl Sulfate; SDS; Dodecyl Alcohol Hydrogen Sulfate, Sodium Salt Dodecyl Sulfate; Lauryl Sodium sulfate; Lauryl Sulfate, Sodium Salt; Monododecyl Sodium Sulfate; Sodium Dodecyl Sulfate; Sodium n-dodecyl Sulfate; Sodium Laurilsulfate; Sodium Monododecyl Sulfate; Sulfuric Acid Monododecyl Ester, Sodium Salt; Texapon KI2P; Elfan 240, Uses: Ionic Surfactant; Tablet Lubricant; Solubiliser; and Dissolution Rate Enhancer. As we know, oil and water dont mix, so something is required to keep the ingredients together. It is also known by the term sodium dodecyl sulfate. Medically reviewed by Drugs.com. SLS can be irritating if two conditions exist it is present at high concentrations and left on the skin for an extended period of time. Read more: *All claims in respect to the conformity are subject to our Terms and Conditions. Sodium Lauryl Sulfate (also referred to as Sodium laurilsulfate or Sodium dodecyl sulfate) is a synthetic organic compound widely used as an excipient and in personal care products as an anionic surfactant. A sustainability score has not been provided at this point. Lauryl ether sulfate sodium | C24H50Na2O5S | CID 21889068 - structure, chemical names, physical and chemical properties, classification, patents, literature . Sodium lauryl sulfate is frequently confused with sodium laureth sulfate, but the two are distinct . SLS is approved for use as a direct additive to food by the United States Food and Drug Administration (FDA) when used as a surfactant, whipping and wetting agent or as an emulsifier1. Fair use is a use permitted by copyright statute that might otherwise be infringing. That is, new products being tested to see how irritating they might be to human skin are compared to SLS - something we know definitely to be irritating. . Toms of Maine recognizes that no two people are alike, and even with naturally derived ingredients, some individuals may develop an allergic reaction that is unique to them. Sodium lauryl sulfate is prepared by reacting sulfuric acid with lauryl alcohol, followed with the addition of sodium carbonate to produce sodium lauryl sulfate. The lauryl alcohol is then combined with sulfur which then forms the salt, sodium lauryl sulfate. Consult the MSDS for more detailed information. And some surfactants are more irritating to our skin than others. mode: "every-time", If sodium lauryl sulfate is left in contact with human skin and not washed immediately, concentrations should not exceed one percent. Some material is published to support research and user education, and for the public good. - Charge. Sodium Lauryl Ether Sulfate [SLES] is a low-cost and very effective for emulsifying, wetting, cleaning, foaming and solubilizing, good biodegradation, with wide compatibility, good solvency. Your toothpaste . ChemSpider ID 8677. So on products containing SLS, you should see something like if this product causes any skin redness or irritation, discontinue use and consult a medical practitioner. Excipient (pharmacologically inactive substance). Sodium laureth sulfate | C14H29NaO5S | CID 23665884 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological . Any information provided on our platform is for general informational and educational purposes only. Inhalation and contact with the skin and eyes should be avoided. Some material is made available to help explain and relay complex phenomena, formulae, physical and chemical constants, and other concepts that are scientifically incontestable but relevant to the use of products, and/or to illustrate, transmit, and teach pharmaceutical science principles. and for industrial uses.SLES is an inexpensive and very effective foaming agent. It may also serve as an emulsifier, helping oil based and water based ingredients to stay mixed. However, in animal studies sodium lauryl sulfate has been shown to be irritating to the eyes and skin when applied topically. Use of eye protection, gloves, and other suitable PPE are advised. It is used in industrial strength degreasers, floor cleaners, bubble bath and toothpastes. It is also GRAS listed and included in the FDA Inactive Ingredients Database. All rights reserved. Sodium lauryl sulfate is used in a variety of products, and has a long history of safe use. 121CFR 172.822 2Tentative Final Monograph 21CFR 356 376/768/EEC, Privacy Policy Terms of Sale Terms of Use Children's Privacy Policy Cookie Policy Cookie Consent Tool. India Sodium Lauryl Ether Sulfate [SLES] Market demand was valued 236 Thousand Tonns in 2020 and is expected to reach 401 Thousand Tonns by 2027, at CAGR of 7.9% during forecast period of 2021 to 2027. Cable, A. American Pharmacists, Handbook of pharmaceutical excipients, 2017. Generally, with consumer products such as washes that contain SLS, its assumed they wont be on the skin for very long, meaning the chance of your skin being affected is pretty low. It is similarly used in pharmaceutical products taking advantage of its surfactancy properties. http://www.mayoclinic.com/health/canker-sore/DS00354/DSECTION=causes. Health Check: what should I eat to improve my skin? In formulated products, Sodium lauryl sulfate is incompatible with salts of polyvalent metal ions (e.g Aluminium, Zinc, and Magnesium). [5] P.J. Due to the inherent risks, the bulk material should be stored in a well-closed container away from strong oxidizing agents in a cool, dry place. Skin care products also have hotline numbers on the packaging that can be contacted to report adverse effects. Sodium lauryl sulfate is a fairly stable excipient under standard storage conditions. In many of our toothpastes SLS is used as a surfactant and helps to properly disperse the ingredients during brushing, and ensures easy rinsing and removal of debris (i.e. We use SLS in many of our products because of its long history of safe and effective use, and because of the volume of scientific substantiation for its safety. I. Rantanen, K. Jutila, I. Nicander, J. Tenovuo, E. Sderling, The effects of two sodium lauryl sulphate-containing toothpastes with and without betaine on human oral mucosa in vivo, Swedish dental journal, 27 (2003) 31-34. This may partly be fueled by the volume of misinformation currently available on the internet. It typically appears as a white or cream colored crystal or powder. Researchers from Germany tested 1,600 patients for SLS irritancy and found 42% of the patients tested had an irritant reaction. positive control in dermatological testing. Subscribe to Drugs.com newsletters for the latest medication news, new drug approvals, alerts and updates. Many other surfactants agents exist, including synthetic alternatives and additional naturally derived ones. The workspace should provide adequate ventilation and/or a dust respirator should be used. 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. It has to have been found in studies to irritate human skin, and it has to have the ability to penetrate the skin. Sodium lauryl sulfate is supplied as a white or cream coloured solid substance that may sometimes appear pale yellow, especially after prolonged storage. Sodium lauryl sulfate (SLS) is the sodium salt of lauryl sulfate. SLES, sodium lauryl sulfate (SLS), ammonium lauryl sulfate (ALS), and . If a person is sensitive to SLS, they might find the area that has been in contact is red, dry, scaly, itchy or sore. Sodium lauryl sulfate is an approved pharmaceutical excipient and is listed in all the major pharmacopoeia. The SLS Toms of Maine uses is entirely derived from the vegetable sources of coconut and/or palm kernel oil. However, for consumers who prefer to use a product without SLS, we offer some SLS-free alternatives. Last updated on Jun 6, 2022. University of Queensland provides funding as a member of The Conversation AU. It has been shown that when skin is repeatedly exposed to Sodium lauryl sulfate, xeroderma (drying and cracking of skin) may occur. Another study found the warmer the water used with SLS, the more irritating it will be. Working Hours (Mon to Friday): 08:30 - 17:30. This means the sulfate head group (shown by the pink shading in the diagram below) is hydrophilic and water soluble, while the 12-carbon-long chain is hydrophobic and water insoluble. This can happen even when the concentrations of either species are very low. Sodium lauryl sulfate has not been shown to be carcinogenic (cancer-causing) when either applied directly to the skin or consumed. Toxicology: Human lethal oral dose is reported to be 0.5-5.0 g/kg body-weight. We use SLS only at the levels needed to deliver on its intended purpose, and these conditions are unlikely to occur with our products. PharmaCentral.com does not make any representation or warranty of any kind regarding its accuracy, adequacy, or legality. In the Ph.Eur, Sodium lauryl sulfate is described as a mixture of sodium alkyl sulfates and consists mainly of Sodium lauryl sulfate (chemical formula, CH3(CH2)10CH2OSO3Na). There are many safer alternatives available (look for fatty alcohol ethoxylate, alkyl phenol ethoxylate or fatty acid alkoxylate on the label). What are hives, the common skin condition that gives you itchy, red bumps? SLS is also permitted for use in all cosmetics in the European Union (EU) without restrictions3. C. Arias, I. Gmez-Escalonilla, C. Rueda, C. Molina, Influence of the purification of sodium dodecyl sulfate on the physical properties of solutions and O/W emulsions, Drug Dev Ind Pharm, 24 (1998) 95-100. It is also known by the term sodium dodecyl sulfate. So SLES is an oligomer that contains a few ethylene oxide linkages; the mean quantity is about 3, as shown in the 3-D image. SLS ticks both of these boxes. Sodium Lauryl Sulfate also referred to as Sodium laurilsulfate or Sodium dodecyl sulfate is a synthetic organic compound widely used in personal care products as an anionic surfactant. Nonionic Emulsifying Wax Excipient | Uses, Suppliers, and Specifications, Macrogol 15 Hydroxystearate Excipient | Uses, Suppliers, and Specifications, Poloxamers | Uses, Suppliers, and Specifications, Phospholipids Excipient | Uses, Suppliers, and Specifications, Docusate Sodium Excipient | Uses, Suppliers, and Specifications, Under Section 107 of the Copyright Act 1976, Pharmaceutical Acronyms and Abbreviations, Glossary of Terms Used in the Pharmaceutical Industry, Standard Terms & Conditions Of Sale Of Goods And Services, Sulfuric acid monododecyl ester sodium salt, White or cream to pale yellow coloured crystals, flakes, or powder, Sodium chloride and sodium sulfate combined content, Surfactant, cleanser and foam generator in medicated shampoos, Solubiliser in concentrations above the critical micelle concentration, Alternative to Magnesium stearate as a tablet lubricant. Regardless, individuals who are prone to canker sores or who have a known sensitivity to SLS should seek an SLS-free alternative. Sodium lauryl sulfate is a surfactant, and its efficacy, low cost, abundance and simplicity mean its used in a variety of cosmetic, dermatological and consumer products. "Final Report on the Safety Assessment of Sodium Lauryl Sulfate and Ammonium Lauryl Sulfate". Your toothpaste, shampoo and body wash probably all contain SLS. So authorities dont ban its use, but instead cap the maximum percentage at which it can be used in products. All information is provided in good faith to enable collaboration and sharing of know-how among our community of users. It is used in industrial strength degreasers, floor cleaners, bubble bath and toothpastes. It's essentially a synthetic soap. Acetaminophen and Codeine Phosphate 300 mg / 30 mg, Acetaminophen and Hydrocodone Bitartrate 325 mg / 7.5 mg, Acetaminophen and Hydrocodone Bitartrate 325 mg / 5 mg, CIR publication (1983). Finally, Sodium lauryl sulfate is sensitising and may cause pulmonary allergies. Average mass 288.379 Da. Copyright 20102022, The Conversation Media Group Ltd. In the past we offered Clean & Gentle toothpaste that used glycyrrhizin, derived from licorice root, to foam and disperse ingredients, but that product was discontinued as consumers told us it did not meet their expectations. It is found in high concentrations in industrial products, including engine degreasers, floor cleaners, and car wash products, where workplace protections can be implemented to avoid unsafe exposures. Senior Manager, Advancement and Engagement - Institute of Molecular Bioscience, Senior Research Fellow, Environmental Biogeochemistry. When handling the material, workers should observe standard SHEQ protocols in line with the circumstances and quantity of material being processed. Many of these ingredients would not be considered by Toms of Maine because they fail to meet our Stewardship Model guidelines. SLS is approved for use as a direct additive to food by the United States Food and Drug Administration (FDA) when used as a surfactant, whipping and wetting agent or as an emulsifier. item: "subscribe-3", Health Information. The shelf-life is reported as 24-36 months. It has a perceptible lipid odour. Authors who submit content retain copyright to it. Oh no! The views expressed here are those of the author and do not reflect the official policies of the U.S. Food and Drug Administration. Appear pale yellow, especially after prolonged storage some SLS-free alternatives especially prolonged. That may sometimes appear pale yellow, especially after prolonged storage should eat. 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