It is approved for use in cosmetics and personal care products in varying concentrations: 5% by weight in nail cuticle solvents, 2% by weight in hair straighteners for general use, 4.5% by weight in hair straighteners for professional use, up to a pH 12.7 in depilatories, and up to pH 11 in other uses as a pH adjuster. The next highest concentration of use reported for sodium hydroxide in a leave-on formulation is 6.9% in a face or neck formulation. Sodium Hydroxide is a … Studies by the National Institute for Occupation Safety and Health found that this ingredient causes "Irritation eyes, skin, mucous membrane; pneumonitis; eye, skin burns; temporary loss of hair" and recommends that consumers prevent skin and eye contact. A pH of 7 is neutral. Cosmetic Ingredient Review, 2015. The sodium hydroxide in these creams works by increasing the pH level to speed up the reaction that causes the hair to dissolve. Drain cleaners that contain sodium hydroxide convert fats and grease that can clog pipes into soap, which dissolves in water. In chemistry, pH stands for ‘potential hydrogen’ and it refers to the level of acidity or alkalinity in a given solution. In cosmetics and personal care products, Sodium, Calcium, Magnesium and Potassium Hydroxide are used in the formulation of bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products, and suntan products. The skin’s normal pH is slightly acidic, typically between 4.5 and 5.75. Also known as lye, sodium hydroxide is a highly alkaline ingredient used in small amounts in cosmetics to establish and hold the pH of a product. * A pH adjuster Sodium hydroxide is also used as a technical ingredient, to adjust pH and to neutralise ingredients, a key example would be for the neutralisation of Carbomer. United States Food and Drug Administration. This acidity of the skin is termed the skin’s ‘acid mantle’ and is maintained by sebaceous glands, sweat glands, and normal skin flora. Sodium hydroxide is used to manufacture soaps and a variety of detergents used in homes and commercial applications. Sodium Hydroxide is, however, a known irritant. Sodium Hydroxide CAS RN: 1310-73-2 Treatment Overview. This is for information only and not for use in the treatment or management of an actual poison exposure. On one hand, if a product is too acidic it may irritate the skin or cause a stinging sensation. You must have JavaScript enabled in your browser to utilize the functionality of this website. * Considered a strong irritant Chlorine bleach is produced by combining chlorine and sodium hydroxide. Sodium Chloride is considered a relatively safe ingredient, although the Cosmetics Database has given it no official rating but still considers it a low hazard. A pH greater than 7 is basic. ALL RIGHTS RESERVED. It’s also used as a cleansing and denaturing agent. Best Skin Whitening Lightening Creams 2020, Difference Between Humectant, Emollient, Occlusive, Everything You Need to Know About Peptides. What Are Parabens – And Are They Bad For You? * A pH adjuster * Considered a strong irritant * Also known as lye, caustic soda, soda lye or sodium hydrate Functions of Sodium Hydroxide: Sodium Hydroxide is an inorganic compound used to control the pH levels or serve as a buffering agent in cosmetics and personal care products. Special care is required to prepare a solution of sodium hydroxide or NaOH in water because considerable heat is liberated by the exothermic reaction. Sodium hydroxide is used to saponify oils, meaning that it allows oils to lather and foam in soaps and cleansers. This is why knowledgable formulators are so important. AtopiControl Balm. In high concentrations, it’s a significant skin sensitiser. In fact, citric acid is what gives citrus fruits their characteristic acidic taste. Synergetic ingredients:Works well with most ingredients. Sodium hydroxide is used in a lot of products from cosmetics, cleaning, and even food. While citric acid can be extracted from citrus fruits, over 99% of the world’s citric acid output is produced by m… Earn Rewards, get samples, Sign up and SAVE today, National Institute for Occupation Safety and Health, E'shee Clinical Esthetic Alpha and Omega Gene Therapy Eye Cream, Reader Review: Another Take on My Blend Day Creme. has approved sodium hydroxide as GRAS (Generally Recognized as Safe) as a direct food additive. It is good to keep in mind that sodium hydroxide is a versatile ingredient. Everything You Need to Know about Hyaluronic Acid. Isohexadecane is an ingredient used in skincare and cosmetic formulations to... What is Stearyl Alcohol? Sodium hydroxide is also used as a pH adjuster in many products, to bring the pH higher. For the human body, especially pores and skin, eyes, and respiratory system, sodium hydroxide may be extraordinarily harmful. sodium hydroxide was produced by treating sodium carbonate with calcium hydroxide in a metathesis reaction. Reaction mass of 2,2'-iminodiethanol and potassium hydroxide and tetrapotassium pyrophosphate and dodecylbenzenesulphonic acid and Alcohols, C10-16, ethoxylated, sulfates, sodium salts and 68439-46-3 In addition to its presence in cosmetics and personal care products, sodium hydroxide is used in many different industries, for instance, in the manufacture of pulp and paper, textiles, drinking water, soaps and detergents, and as a drain cleaner. Most dermatologists don’t recommend alkaline cleanser despite their growing popularity. The National Institute for Occupation Safety and Health … recommends that consumers prevent skin and eye contact. Some of the links on this site are affiliate links. JavaScript seems to be disabled in your browser. Ammonium hydroxide is synthetic and sometimes used instead of sodium hydroxide to maintain an acidic pH in AHA (alpha hydroxy acid) or similar exfoliant products. In cosmetics and personal care products, Sodium, Calcium, Magnesium and Potassium Hydroxide are used in the formulation of bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products, and suntan products. Sodium hydroxide is a highly alkaline ingredient that is used in small amounts in cosmetics and skincare products to establish and hold the pH of a product. Additionally, a disrupted acid mantle will not allow for products to absorb into the skin as well. References for this information: Acta dermato-venereologica, March 1995, pages 97-101 Also known as lye, sodium hydroxide is a highly alkaline ingredient used in small amounts in cosmetics to establish and hold the pH of a product. Dry, atopic skin. It is also known as lye and caustic soda. The CDC reports that "Skin contact with sodium hydroxide can cause severe burns with deep ulcerations. It still often shows up in the ingredient list of soaps and other cleansers. However, it is primarily used in the washing and chemical peeling of produce. THE OWNER OF THEDERMREVIEW.COM HAS MATERIAL BUSINESS RELATIONSHIPS WITH ADVANCED DERMATOLOGY, CARROT & STICK & FORMULYST, WHOSE PRODUCTS WE ALSO REVIEW AND RANK. Concentrated sodium hydroxide is a strong irritant and corrosive to the skin, eyes, respiratory tract, and gastrointestinal system if ingested. It is also a popular ingredient in industrial solvents as a chemical base for soaps, oven cleaners, detergents and drain cleaners because of its ability to dissolve grease, oils, fats and protein based deposits, according to Wikipedia. Inspiring thoughts and women who are aging gracefully. EXCLUDING INTELLECTUAL PROPERTY OWNED BY OTHERS, ALL SITE CONTENT IS COPYRIGHTED OR LICENSED FOR USE BY THE OWNER OF THIS SITE. Sodium Hydroxide is FDA approved, and has received the GRAS (Generally Recognized as Safe) rating as a direct food additive. However, it is primarily used in the washing and chemical peeling of produce. In most cases, the sodium hydroxide is not present in the final product. For all skin types , including sensitive skin. Sodium hydroxide has many uses in cosmetics, the most common being for it's use in the production of handmade soap where sodium hydroxide is used in the saponification of oils. The pH of cosmetics and skincare products is important to maintain the skin’s normal pH as closely as possible. Although, there are numerous makes use of of sodium hydroxide, it has several potential hazards, whether it is used without care and safety. Worldwide production in 2004 was approximately 60 million tons, while demand was 51 million tons. I understand if you are concerned about using such an ingredient in your skincare but sodium hydroxide has a little hidden talent. Pain and irritation are evident within 3 minutes, but contact with dilute solutions may not cause symptoms for several hours. ‘Safety Assessment of Inorganic Hydroxides as Used in Cosmetics, Cosmetic Ingredient Review Expert Panel. Potassium hydroxide is used at the good:Soaponifies oils so that they can be used in soaps and cleansers. The acid mantle provides a film of amino/lactic acids and oils that effectively protect skin from environmental factors such as bacteria, allergens, and pollutants that contribute to premature aging and irritation. In most items, sodium hydroxide is no longer present in the final product. Sodium hydroxide was historically used in the formulation of soaps, but is currently seen in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products.The main function of sodium hydroxide in cosmetics and personal care products is to establish and hold the pH of a product. The main function of sodium hydroxide in cosmetics and personal care products is to establish and hold the pH of a product. Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It neutralizes acids (brings pH up toward 7), or in greater quantities, as in with soap making, brings the pH past neutral (>7) so it's basic. In a nutshell, the use of sodium hydroxide in cosmetics and personal care products creates a less acidic product that’s safer to use on skin, scalp, and hair. Although Sodium Hydroxide has been linked to cancer, specifically of the esophagus, the CDC found that these cases were after 15 - 40 years of exposure, and were caused by corrosion induced by Sodium Hydroxide and "were most likely the result of tissue destruction and scar formation rather than a direct carcinogenic action of sodium hydroxide itself." OTHER COMPANIES’ MARKS USED ON THIS SITE REMAIN THE INTELLECTUAL PROPERTY OF THEIR RESPECTIVE OWNERS. A primary function of the chemical is to neutralize acids, but … The truth about sodium hydroxide. It was historically used in the formulation of soaps, but is currently seen in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products, and suntan products, as well as chemical hair straighteners and hair wave sets (CosmeticsInfo.org and CosmeticsCop.com). One of the most widely used bases in chemistry is sodium hydroxide (NaOH). THIS SITE IS FOR INFORMATIONAL PURPOSES ONLY AND SHOULD NOT BE USED AS A SUBSTITUTE FOR ADVICE OR TREATMENT FROM A QUALIFIED MEDICAL PROFESSIONAL. Acetyl glucosamine is a skin-replenishing ingredient that helps to reduc... What Is Acetyl Hexapeptide 8? The small amounts used in cosmetics are not considered sensitizing on skin. Pain and irritation are evident within 3 minutes, but contact with dilute solutions may not cause symptoms for several hours. It is also a popular ingredient in industrial solvents as a chemical base for soaps, oven cleaners, detergents and drain cleaners because of its ability to dissolve grease, oils, fats and protein based deposits, according to Wikipedia. One example is lemon juice, which contains about 5 to 8 percent citric acid. Keep an eye on:There are many other uses of sodium hydroxide, including dye, drain cleaner, soaps, nail products and makeup. Safety Measures/Side Effects of Sodium Hydroxide: Sodium Hydroxide is considered a moderate hazard ingredient by the Cosmetics Database, which notes concerns regarding cancer, and moderate concerns regarding neurotoxicty, organ system toxicity and irritation. The pH scale ranges from 0 to 14. In high concentrations, it’s a significant skin sensitizer. And the damage is cumulative: the longer you use it, the more damage it does to your skin. (See our safety sheet on Sodium Hydroxide.) The CDC reports that “Skin contact with sodium hydroxide can cause severe burns with deep ulcerations. If you are familiar with lye you made have heard some scary things. A depilatory cream works by dissolving the hair, allowing it to be washed or wiped off the skin. Because increased temperature increases toxicity, the Committee concludes that a 1-h exposure to sodium hydroxide at 2 mg/m 3 would probably produce no more than a reversible mild irritation of eyes, skin, and respiratory system. Something incorrect or missing? TO LEARN MORE ABOUT THE DETAILS OF THESE RELATIONSHIPS AND HOW PRODUCTS ARE RANKED ON OUR SITE, PLEASE READ THE "FULL DISCLOSURE" AND "METHODOLOGY" SECTIONS. Contact with the eye may produce pain and irritation, and in severe cases, clouding of the eye and blindness." Sodium hydroxide is a severe irritant of the eyes, mucous membranes, and skin. When it is used to make soap, it chemically reacts with the fats until the fats are fully saponified. Get great deals on eBay! Sodium hydroxide is a white, deliquescent solid. Who is it for?All skin types except those that have an identified allergy to it. Consequently, this alters the bacterial flora composition on the skin and the activity of the enzymes in the upper layers of skin, as these have an optimal pH level. Sodium Hydroxide is an inorganic compound used to control the pH levels or serve as a buffering agent in cosmetics and personal care products. THOSE RELATIONSHIPS MAY AFFECT HOW WE REVIEW AND RANK PRODUCTS OR SERVICES MENTIONED ON THE SITE. Sodium citrate is the sodium salt of citric acid, a weak organic acid that is naturally found in both plants and animals, particularly in citrus fruits. Free shipping on all domestic orders over $49, The honest truth about beauty & personal care products. View entire discussion (13 comments) … Sodium hydroxide was historically used in the formulation of soaps but is also found in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skincare products. The severity of effects caused by sodium hydroxide is a function of the concentration, the pH, the length of tissue contact time, and local conditions and skin type. Sodium citrate may be used in all types of cosmetic products, including baby products, make-up, lipstick, bath products, soaps and detergents, hair dyes and colors, and hair and skin care products. It typically comes as a solid white pellet and is very soluble in water. Sodium and Calcium Hydroxide are also used in hair … It’s also used as a cleansing and denaturing agent. * Also known as lye, caustic soda, soda lye or sodium hydrate. Sodium Hydroxide Products that include "Sodium Hydroxide" New. Patients with alkaline corrosive ingestion should be sent to a health care facility for evaluation. It is a common ingredient in cleaning supplies, and perhaps most notably appears in drain and oven cleaning chemicals. Sodium hydroxide, also known as lye or caustic soda, is a white solid compound that is used for its basic or alkaline properties, think opposite of acidic. However, it is primarily used in the washing and chemical peeling of produce. 0.5% in leave-on formulations (deodorants).16 Sodium hydroxide is used at up to 10% in an “other” skin care preparation, which may or may not be a leave-on formulation. Even though typical formulations only use a small amount of sodium hydroxide in order to adjust the pH, which is usually used up in the chemical reaction, if a product is too alkaline it can damage your skin. Less frequently, Sodium Hydroxide is seen as an ingredient in toothpastes. The real about sodium hydroxide is that you can't make soap without it, … Recommended Products with Sodium Hydroxide: E'shee Clinical Esthetic Alpha and Omega Gene Therapy Eye Cream ($284 in the shop), Sciote Peptide+Defense Firming Eye Creme ($65 in the shop), Kat Burki Hibiscus Antioxidant Face Mask ($78 in the shop), Skinfinite Platinum 30spf ($32.50). Sodium Hydroxide (NaOH) is white and odorless solid. Tributyl citrate and triethyl citrate may be used in bath products, … ‘Safety Assessment of Inorganic Hydroxides as Used in Cosmetics, Cosmetic Ingredient Review Expert Panel. It is classified as "expected to be toxic or harmful" and one or more animal studies show brain and nervous system, metabolic, and sense organ effects at very low doses and there are warnings regarding using this ingredient around the eyes or mouth. On the other hand, a product that is too alkaline is detrimental because it depletes your skin of vital, natural fats or lipids. The United States Food and Drug Administration has approved sodium hydroxide as GRAS (Generally Recognized as Safe) as a direct food additive. References for this information: The TIA community consists of our trusted reviewers. Find sodium hydroxide from a vast selection of Skin Care. Sodium hydroxide in itself is a potent skin irritant, but once it's reacted (as it is usually in skin care products, like exfoliants) it is totally harmless. Here is how to make a sodium hydroxide solution safely, along with recipes for several common concentrations of NaOH solution. The CDC reports that "Skin contact with sodium hydroxide can cause severe burns with deep ulcerations. Sodium hydroxide is a very strong chemical. If there isn’t ebough fat, there will some left over sodium hydroxide in the soap, which may cause skin … Sodium hydroxide is an ingredient used in many depilatory creams. Exposure to sodium hydroxide in the form a caustic dust irritates the upper respiratory tract and may cause ulceration of … Stearyl alcohol is a natural fatty alcohol that is used as an emollient, em... What Is Acetyl Glucosamine? Citric acid was first isolated in 1784 by the chemist Carl Wilhelm Scheele, who crystallized it from lemon juice. What Is Isohexadecane? Solutions as weak as .12% have shown to destruct healthy skin cells within one hour. Use restrictions (high), Non-reproductive organ system toxicity (moderate), and Irritation (skin, eyes, or lungs) (low) denaturant, ph adjuster, and buffering. Less frequently, Sodium Hydroxide is seen as an ingredient in toothpastes. During this process, the sodium hydroxide is actually completely used up in the reaction and isn’t present in the final product. Even in a concentrated effort to avoid lye, it's nearly impossible. Sodium hydroxide has a pH value of 13, which means that it is highly basic, or alkaline and is mainly used in the manufacturing of soaps and cleansers. Hyaluron ... Absorbs quickly; More Details. This article discusses poisoning from touching, breathing in (inhaling), or swallowing sodium hydroxide. It was historically used in the formulation of soaps, but is currently seen in a variety of formulas, including bath products, cleansing products, fragrances, foot powders, hair dyes and colors, makeup, nail products, personal cleanliness products, shampoos, shaving products, depilatories, skin care products, and suntan products, as well as chemical hair straighteners and hair wave sets (CosmeticsInfo.org and CosmeticsCop.com). The very best to choose from for your skin concerns. Helpful how-tos and reviews from Marta and friends. Sodium hydroxide at 2 mg/m 3 (TWA) appeared to cause nasal and skin irritation, especially at high temperatures. Sodium Hydroxide is, however, a known irritant…. Since Sodium Hydroxide can be irritating and caustic to the skin, proper care and caution should be taken when using sodium hydroxide. The solution may splatter or boil. Other studies acknowledge Sodium Hydroxide as a strong irritant that is corrosive to the skin, eyes, and respiratory tract, but that the severity of the effects are related directly to concentration and pH levels, as well as the length of exposure and skin type. Clear, colorless liquid used in cosmetics to adjust a product’s pH. References: Sodium hydroxide is approved for use in cosmetics and personal care products in varying concentrations: 5% by weight in nail cuticle solvents, 2% by weight in hair straighteners for general use, 4.5% by weight in hair straighteners for professional use, up to a pH 12.7 in depilatories, and up to pH 11 in other uses as a pH adjuster. Sodium hydroxide causes skin to burn upon contact and will cause irrevocable damage if ingested. In fact, a study on skin products found that using an alkaline cleanser, even once, can do significant damage to the skin as an alkaline cleanser disrupts the skin’s acid mantle. In cases where it is, the pH is usually carefully managed so as to not disrupt the skin. the not so good:Sodium hydroxide is highly caustic but it is usually fully used up in the process. Sodium hydroxide isn’t necessarily bad, it depends on how it’s used. It also provides options for instructions, lye discount, superfat, and water portions. A pH less than 7 is acidic. Cosmetic Ingredient Review, 2015. It does note that one or more animal studies showed skin irritation at moderate doses in 1972, and one or more in vitro tests on mammalian cells showed positive mutation results in 1986. It is a white solid ionic compound consisting of sodium cations Na + and hydroxide anions OH −. As sodium hydroxide is highly basic it is caustic, making it a great product to clean drains and strip away grease and grime. Medical Treatment for Sodium Hydroxide Skin Burns.