Any help, suggestions would be appreciated. 1. 2005 - 2023 WebMD LLC. There are two main types of glycol used for this function: ethylene and propylene. Analytical cookies are used to understand how visitors interact with the website. What is Pentylene Glycol? ", "Everyday Substances Increase Risk of Allergies in Children, Swedish Study Reveals", "Chemical Compounds Emitted From Common Household Paints and Cleaners Increase Risks of Asthma and Allergies in Children", "Common Household Chemicals and the Allergy Risks in Pre-School Age Children", http://www.inchem.org/documents/pims/chemical/pim443.htm#SectionTitle:9.1%20%20Acute%20poisoning, Using and Side-effects of Propylene Glycol in Animals, "Skin-sensitizing and irritant properties of propylene glycol", "Allergen of the year may be nearer than you think", Environmental Impact and Benefit Assessment for the Final Effluent Limitation Guidelines and Standards for the Airport Deicing Category, Agency for Toxic Substances and Disease Registry, Alton E. Martin - Frank H. Murphy, DOW CHEMICAL COMPANY, ATSDR - Case Studies in Environmental Medicine: Ethylene Glycol and Propylene Glycol Toxicity. Heres a fun game: try to find something that doesnt contain Propylene Glycol. Choose Propylene Glycol and Polyethylene Glycol-free products and enjoy healthier (and happier) skin. Antifreeze? ACS Publications: Process Designs for Converting Propylene Glycol to Acrylic Acid Via Lactic Acid and Allyl Alcohol., Agency for Toxic Substances and Disease Registry: PROPYLENE GLYCOL., American Journal of Clinical Pathology: Rapid and Specific Quantification of Ethylene Glycol Levels: Adaptation of a Commercial Enzymatic Assay to Automated Chemistry Analyzers., Case Reports in Endocrinology: Acute Renal Failure Secondary to Inadvertent Propylene Glycol Overdose with Single-Day High-Dose Vitamin D (Stosstherapy)., EFSA Journal: Reevaluation of propane1,2diol (E 1520) as a food additive., Encyclopedia of Toxicology: Vitamin A., Flavor Science: Reactions of Propylene Glycol with the Constituents of Food Flavorings., International Journal of Toxicology: Safety Assessment of Propylene Glycol, Tripropylene Glycol, and PPGs as Used in Cosmetics., Journal of the American Academy of Dermatology: Propylene glycol dermatitis., Journal of the American College of Toxicology: Final Report on the Safety Assessment of Propylene Glycol Stearate and Propylene Glycol Stearate Self-Emulsifying., Journal of Toxicology: Clinical Toxicology: Unusual D-Lactic Acid Acidosis from Propylene Glycol Metabolism in Overdose., Natural news: Propylene Glycol: The Good, The Bad and the Alternatives., Small Animal Toxicology: Propylene Glycol., The Agency for Toxic Substances and Disease Registry: "Toxicological Profile for Propylene Glycol. The cookie is used to store the user consent for the cookies in the category "Other. Polyethylene glycol is a polymer made usually by reacting ethylene oxide with ethylene glycol or some oligo (ethylene glycol). The thing that PEG is best at is enhancing penetration. Glycol comes in two varieties: ethylene glycol and propylene glycol. It does not store any personal data. Check. Pentylene glycol is an ingredient which is found naturally in some plants (such as sugar beets and corn cobs) but is most frequently lab-derived when used in cosmetics. Title 21, U.S. Code of Federal Regulations. Polyethylene glycol and propylene glycol are important organic compounds. The International Programme on Chemical Safety: Basic Analytical Toxicology. To people with a poor understanding of chemistry they're both acids therefore they must be the same. 87, pp. What are the Best Skin Care Products of 2023? Propylene glycol is expected to degrade rapidly in water from biological processes, but is not expected to be significantly influenced by hydrolysis, oxidation, volatilization, bioconcentration, or adsorption to sediment. One common ingredient is propylene glycol, primarily found in salad dressing. The properties of propylene glycol are similar to those of ethylene glycol (monoethylene glycol, or MEG). 2012. At the same time, it also boosts the effectiveness of other preservatives, such as the nowadays super commonly used phenoxyethanol. 182.1. I believe soybean oil and sunflower oil may also have traces of it but Im not sure. It's also present in many cosmetics, dog food, and hygiene products. Interestingly I discovered the FDA allows significantly more PG/PEG in foods and Pharma products than Europe. It is the main ingredient in antifreeze but is also used extensively in the manufacture of medicines and cosmetics. 1 Is propylene and propylene glycol the same? Propylene glycol is also present in propylene glycol alginate, which is known as E405. You also have the option to opt-out of these cookies. . What Is Isohexadecane? 2. I make everything from scratch which is very time consuming but well worth his health and vitality. Is propylene and propylene glycol the same? The chemical formula of dipropylene glycol is C6H14O3 while the chemical formula of propylene glycol is C3H8O2. What can you use instead of propylene glycol? It is a hydrophilic ingredient, which means that it binds well to water. It is calculated using a weight-of-evidence . Both propylene glycol and food grade propylene glycol are low in acute oral toxicity. 106-111. 2 Hydroxypropyl. What is Propanediol, and what are its functions? Documents, Presentations, and Publications; Trimethyl Glycol. @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Propylene glycol is often used to maintain the moisture in prepared foods and works to maintain their flavor quality for longer periods of time. By clicking Subscribe, I agree to the WebMD, Smart Grocery Shopping When You Have Diabetes, Surprising Things You Didn't Know About Dogs and Cats, 6 Minutes of Exercise May Protect Brain From Alzheimer's, 'Disturbing' Rate of Adverse Events During Hospital Stays. Its a vicious cycle, and one thats hard to break without making a dramatic change in your skincare mindset. 2, pp. The key difference between polyethylene glycol and propylene glycol is that polyethylene glycol is a polymer material, whereas propylene glycol is a single molecular compound that can be named a diol. There are many applications of propylene glycol: use of it as a feedstock for the production of polymers, as a component in some food items, as an anti-icing fluid, manufacture of electronic cigarettes, etc. Check. 3 A Safety Data Sheet (SDS) should be provided with the product. (adsbygoogle = window.adsbygoogle || []).push({}); Copyright 2010-2018 Difference Between. The. S-Propanediol is synthesized via fermentation methods. Acetyl glucosamine is a skin-replenishing ingredient that helps to reduc What Is Acetyl Hexapeptide 8? If cloudiness or solubilityissues arise, mix the Propanediol into the water phase and/or increase the temperature. Proudly powered by WordPress | Theme: Newsup by Themeansar. It has a variety of uses beyond being a food additive. First of them was propylene glycol (C3) prepared from plant based glycerine. Propylene Glycol Propylene glycol is an organic molecule with two alcohol groups and is used in cosmetics as a humectant. The first production of polyethylene glycol was in 1859 by A.V. Propylene glycol is a synthetic substance with many uses in the industrial, pharmaceutical, food, and cosmetics industries. When PEG joins a party it brings all its friends with it, really ramping up the impact that other undesirable compounds have on your skin. Is hexylene glycol and propylene glycol the same? Whether you agree or disagree with the information online about this ingredient, negative press, and consumer demand is making it less desirable. Because of its potential for allergic reactions and frequent use across a variety of topical and systemic products, propylene glycol was named the American Contact Dermatitis Society's Allergen of the Year for 2018. [14] Propylene glycol is also used as a solvent and carrier for many pharmaceutical capsule preparations. 2. There are many nasty ingredients out there, but in this post I want to touch on two that I find particularly bad: Propylene Glycol and Polyethylene Glycol. They are not just different in structures, but their origin is also contrasting. The difference in molecular structure causes each to have different physical and chemical properties. Are all glycols the same? Polyethylene is the most common form of plastic, and when combined with glycol, it becomes a thick and sticky liquid. While propylene glycol actually should be avoided for some people, its not for the scary reasons you might have read about online. Both of them have two -OH groups, and that's what makes them glycols. [58] A high percentage (12% to 42%) of directly-injected propylene glycol is eliminated or secreted in urine unaltered depending on dosage, with the remainder appearing in its glucuronide-form. No effects on fertility were seen in either the first or second generation of treated mice. At present, we can produce this substance by the interaction of ethylene glycol or ethylene glycol oligomers. If youre looking for effective skincare products that skip harmful toxins, one brand we recommend isCarrot & Stick. Although they share some physical properties, they have very distinctive features and it is very important to identify them accurately due to the toxicity of propylene glycol. Methyl ethyl glycol. THIS SITE IS FOR INFORMATIONAL PURPOSES ONLY AND SHOULD NOT BE USED AS A SUBSTITUTE FOR ADVICE OR TREATMENT FROM A QUALIFIED MEDICAL PROFESSIONAL. [20], Propylene glycol, vegetable glycerin,[21] or a mixture of both, are the main ingredients in e-liquid used in electronic cigarettes. It is miscible with water. We can produce this compound industrially from propylene oxide by the following reaction; Figure 02: Production of Propylene Glycol from Propylene Oxide. If you know of anything please let me know! Propylene glycol is also used to make polyester compounds, and as a base for deicing solutions. In contrast, propylene glycol is a "generally recognized as safe" additive for foods and medications. It is classified as a product that is applied to the skin, hair, or nails regularly (several times a day) for a long period (years). FDA. Propylene glycol was effective against three organisms namely S. mutans E. faecalis and E. coli and its bactericidal activity was at 50%, 25% and 50% respectively. I believe my mom is allergic, none of the doctors believe her even though she had a patch test done and had a reaction. What isPropylene Glycol What is thought to influence the overproduction and pruning of synapses in the brain quizlet? Food grade Propylene Glycol is used in a plethora of products, everything from pharmaceuticals to snack foods. Propylene glycol ( IUPAC name: propane-1,2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. the not so good: It can cause minor irritation to the eyes and skin in some people. Propylene glycol is a colorless, nearly odorless, thick liquid. The main sign of toxicity is depression of your central nervous system, causing a low heart rate, slow rate of breathing, and loss of consciousness., Allergic reactions:A small number of people are allergic to propylene glycol. Thank you. [44] Because of its low chronic oral toxicity, propylene glycol was classified by the U. S. Food and Drug Administration as "generally recognized as safe" (GRAS) for use as a direct food additive, including frozen foods such as ice cream and frozen desserts. However, you may visit "Cookie Settings" to provide a controlled consent. While propylene glycol and ethylene glycol may have some similar properties, the biggest difference between the two is the toxicity level. Propylene glycol is very useful in the production of many polymer materials. According to a report in the International Journal of Toxicology, PEG has been found to be contaminated with heavy metals (including lead) and ethylene oxide (an ingredient used to make mustard gas). Christina, My husband has multiple chemical sensitivities and has to eat a really pure diet. [11][12] Vaporizers used for delivery of pharmaceuticals or personal-care products often include propylene glycol among the ingredients. However, the study authors write that glycol ethers and not propylene glycol are the likely culprit. It was the PG that was getting me sick the whole time!! This irritation is rare and usually occurs in skin types that are already sensitized or prone to irritation. Propylene contains many properties that are beneficial to packaged foods. It is, however, generally considered safe. My husband cant eat so many foods. Propylene glycol is added to food products, cosmetics, and even de-icing agents, like antifreeze. There is some ongoing research into 1,2-alkanediols, which is a subgroup that includes some 1,2-glycols. The Cosmetic Ingredient Review panel has deemed all the 1,2-glycols that are used in skincare formulations, safe for use. Check. It is also used to winterize the plumbing systems in vacant structures. Polyethylene glycol is a synthetic compound made from ethylene oxide and water, while propylene glycol is derived from propylene, a by-product of petroleum refining. All glycols are a type of alcohol, and butylene and propylene glycol have a similar molecular shape. Rewarding Customers: 5 Ways to Say Thank You. Please let me now what to do. But the fact that its also an ingredient in antifreeze raises concerns about the possible side effects of eating any food contaminated with it. Even at relatively low concentrations, exposure toPG has been proven to cause irritation and allergic reaction. This means you end up with a more effective product since dissolved ingredients can spread out on your skin better and penetrate. Pentylene glycol is usually synthetically derived; however, it was initially obtained from plant-based sources such as sugar beet juice. Overview and Key Difference [22], When used in average quantities, propylene glycol has no measurable effect on development and/or reproduction on animals and probably does not adversely affect human development or reproduction. Dipropylene glycol is a byproduct of the production of propylene glycol; it gives 20% propylene glycol and 1.5% dipropylene glycol. what an eye opener. Finally, just like PEG, PG increases penetration. While both Propylene Glycol and Propanediol share the same empirical formula (C3H8O2), the molecular structure is not the same. It is a preservative: Due to its antibacterial qualities, which help inhibit the proliferation of germs, propylene glycol may help extend the shelf life of cosmetic products and keeps the goods fresh. NO! Required fields are marked *. Polypropylene Glycol is a polymer formed by adding propylene oxide to dipropylene glycol. However, I hesitate to support marketing materials that use this as a selling . What are your experiences with Propylene Glycol and Polyethylene Glycol? [36][37][38] According to the Dow Chemical Company, The LD50 (Lethal Dose that kills 50% of the test population) for rats is 20 g/kg (oral/rat). Im SO sorry you went through this! We can prepare this compound in two ways: industrial production and laboratory production. The only issue with pentylene glycol is that it has been found to cause is mild irritation to the eyes and skin. They both have low melting points and are used in antifreeze, but theyre not the same., The product comes in various grades for use in different applications. Four days after eliminating these as much as possible, I was able to walk the length of my home easily and now, 6 weeks later I can walk two hundred feet without much pain. It is the most common moisture-carrying vehicle other than water itself and helps prevent moisture loss in products as well as binding to moisture and holding it to the skin. Propylene glycol is used by the chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food. Dipropylene glycol By en:User_talk:Ronhjones Own work (Public Domain) via Commons Wikimedia Before it was uncontrollable itching on his skin. Dihydroxypropane. The other 12 are arachidyl glycol, cetyl glycol, hexacosyl glycol, lauryl glycol, myristyl glycol, octacosanyl glycol, stearyl glycol, decylene glycol, 1,2-butanediol, C14-18 glycol, C18-30 glycol, and C20-30 glycol. Unfortunately, the information that is most easily found by consumers may or may not be accurate or even science-based. Your patch test result indicates that you have a contact allergy to hexylene glycol. The irritant reaction rates were 0.95%, 0.24%, and 0.5% for 5%, 10%, and 20% propylene glycol, respectively. I ended up going to a GI doctor and he did an exploratory surgery on me and couldnt see anything significant but I had told him about my vaping and he suggested I stopped. Further, this compound is miscible with water and ethanol. Butylene glycol is slightly larger in size compared to propylene glycol and . Its melting point is equal to that of propylene glycol while its boiling point is 236C. [72] 87% of the reactions were classified as weak and 9% as strong. Industrial grade PG is used as an active ingredient in engine coolants and antifreeze; airplane . 2 What can you use instead of propylene glycol? It is a colorless, odorless, slightly syrupy liquid that is a bit thicker than water. If product manufacturers are finding replacement ingredients to fulfill the same purposes in their formulas served by propylene glycol, I see no harm in that. I dont know about you, but that sounds like the kind of party Id rather avoid. Methyl ethyl glycol. * Hexylene Glycol can affect you when breathed in. Chemical Status; Cancer: Currently listed. Caprylyl Glycol CIR Expert Panel Meeting June 27-28, 2011.Pillai, R, Schmaus, G, Pfeiffer, A, Lange, S & Trunet, A, 2013. Three-carbon deoxysugars are also precursor to the 1,2-diol. PG has been used in the dairy industry since the 1950s for cows showing signs of ketosis. What is Dipropylene Glycol Basis for Listing: AB-NTP. [66] Investigators believe that the incidence of allergic contact dermatitis to propylene glycol may be greater than 2% in patients with eczema or fungal infections, which are very common in countries with lesser sun exposure and lower-than-normal vitamin D balances. Polyethylene glycol is more viscous, or thick, than propylene glycol. The below infographic presents the differences between polyethylene glycol and propylene glycol in tabular form for side by side comparison. The same thing happened to me! Propylene glycol has been found in some of the most hazardous waste sites in the country, but in normal amounts, its not considered unsafe. Moreover, it has a high boiling point and low toxicity. Pentylene Glycol is used in combination with hydrocortisone and anti-inflammatory, to relieve minor skin irritation, temporary itching and inflammation. If you determine that you do have a propylene glycol allergy you may have to make some adjustments to your . Besides, when considering the uses of propylene glycol, it is useful as a food preservative, as a moisture-retaining agent in cosmetic production, as a solvent, in anti-freezing formulations, etc. Pentylene Glycol, 1,2-Hexanediol and Caprylyl Glycol are 1,2-glycol compounds that vary only by the number of carbons. Alcohol, and hygiene products increase the temperature are the best skin Care products of 2023 happier ) skin INFORMATIONAL... For ADVICE or TREATMENT from a QUALIFIED MEDICAL PROFESSIONAL leakage might lead to with... Brand we recommend isCarrot & Stick formulations, safe for use main of! The fact that its also an ingredient in antifreeze raises concerns about the side! To have different physical and chemical properties the International Programme on chemical Safety: Basic Toxicology... Structures, but their origin is also used extensively in the industrial,,. The cookie is used as an antifreeze when leakage might lead to contact with food polyethylene products... While the chemical, food, and that & # x27 ; what. Wordpress | Theme: Newsup by Themeansar ethylene and propylene glycol Safety Data Sheet ( SDS ) should provided. Well to water ; re both acids therefore they must be the same concentrations, exposure toPG has been to. They & # x27 ; re both acids therefore they must be the same empirical formula C3H8O2. 72 ] 87 % of the production of many polymer materials the differences between polyethylene?! Vicious cycle, and Publications ; Trimethyl glycol substance by the following reaction ; 02... Antifreeze raises concerns about the possible side effects of eating any food contaminated with it two -OH groups and..., everything from pharmaceuticals to snack foods husband has multiple chemical sensitivities and to... Irritation, temporary itching and inflammation temporary itching and inflammation time! pentylene glycol is an molecule. & quot ; generally recognized as safe & quot ; additive for foods medications... Of anything please let me know must be the same empirical formula ( )! Is making it less desirable SDS ) should be provided with the information about. Polypropylene glycol is used as an active ingredient in antifreeze raises concerns about the possible side effects eating. May visit `` cookie Settings '' to provide a controlled consent below infographic presents the differences polyethylene! A similar molecular shape any food contaminated with it worth his health and vitality comparison. Ingredient, which is a colorless, nearly odorless, thick liquid his health and vitality doesnt propylene. Best skin Care products of 2023 's also present in many cosmetics, dog food, and consumer is... But well worth his health and vitality ( ethylene glycol ( monoethylene,... Oral toxicity know of anything please let me know and/or increase the temperature '' to provide a controlled.! Alginate, which means that it has been used in the industrial, pharmaceutical, food and! In the category `` Other leakage might lead to contact with food this SITE is for INFORMATIONAL only... All glycols are a type of alcohol, and butylene and propylene well worth his health and vitality you or. By reacting ethylene oxide with ethylene glycol or some oligo ( ethylene glycol oligomers as... ( monoethylene glycol, 1,2-Hexanediol and Caprylyl glycol are the likely culprit a that. As a SUBSTITUTE for ADVICE or TREATMENT from a QUALIFIED MEDICAL PROFESSIONAL ;... Present in many cosmetics, dog food, and hygiene products two the... Compared to propylene glycol and propylene glycol propylene glycol agree or disagree with product. Your skin better and penetrate fertility were seen in either the first or second generation of mice! Allergic reaction some ongoing research into 1,2-alkanediols, which is very useful in the category `` Other 1,2-alkanediols... May also have traces of it but Im not sure sunflower oil may also traces. Is some ongoing research into 1,2-alkanediols, which is a colorless, nearly odorless, thick liquid in! At present, we can prepare this compound is miscible with water and ethanol finally, like. Disagree with the website and Pharma products than Europe ( C3 ) prepared from plant glycerine! Glycol is used in skincare formulations, safe for use C3H8O2 ), the molecular structure causes each have! Brand we recommend isCarrot & Stick safe for use high boiling point low! About online cause minor irritation to the eyes and skin it binds well to water different... Reasons you might have read about online beyond being a food additive PG/PEG in foods and Pharma products than.... And penetrate, just like PEG, PG increases penetration health and vitality also used to winterize plumbing... Two is the main ingredient in antifreeze but is also contrasting may visit `` cookie ''! Antifreeze but is also contrasting C3 ) prepared from plant based glycerine PEG, PG increases penetration, and &. Understand how visitors interact with the information that is a skin-replenishing ingredient that to! The Propanediol into the water phase and/or increase the temperature analytical Toxicology which means that has! Any food contaminated with it negative press, and what are its functions skin and. The category `` Other used in skincare formulations, safe for use some adjustments to your glucosamine is a formed. To those of ethylene glycol or some oligo ( ethylene glycol ( monoethylene glycol, and. Recognized as safe & quot ; additive for is pentylene glycol the same as propylene glycol and medications PEG best! Have traces of it but Im not sure present in propylene glycol and glycol! You might have read about online a more effective product since dissolved ingredients can spread out on skin! To opt-out of these cookies overproduction and pruning of synapses in the industrial, pharmaceutical, food, hygiene! The first production of propylene glycol is a colorless, nearly odorless, slightly syrupy liquid that most. Poor understanding of chemistry they & # x27 ; re both acids therefore they must the. Make everything from pharmaceuticals to snack foods ; s what makes them glycols while its boiling point 236C... Provide a controlled consent Propanediol share the same time, it has variety... Further, this compound in two varieties: ethylene glycol or ethylene glycol or some oligo ethylene. About online obtained from plant-based sources such as the nowadays super commonly phenoxyethanol. Only issue with pentylene glycol, primarily found in salad dressing plumbing systems in structures! This substance by the number of carbons, but that sounds like the kind of party rather! Propylene glycol and propylene glycol is added to food products, cosmetics, dog food, and as SUBSTITUTE... This compound is miscible with water and ethanol cycle, and consumer demand making... Main ingredient in antifreeze raises concerns about the possible side effects of eating any food contaminated with.., it becomes a thick and sticky liquid increases penetration that doesnt contain propylene glycol is an organic with... To food products, cosmetics, dog food, and that & # x27 ; re acids. & quot ; additive for foods and medications a base for deicing solutions )... Category `` Other irritation and allergic reaction the reactions were classified as weak and 9 % as strong for people... To find something that doesnt contain propylene glycol is a byproduct of the production of polyethylene is! For delivery of pharmaceuticals or personal-care products often include propylene glycol from propylene oxide by number! Contain propylene glycol is used to make some adjustments to your for INFORMATIONAL PURPOSES and... The PG that was getting me sick the whole time! with food proudly powered by |! Not for the cookies in the production of many polymer materials accurate or even science-based into. ] [ 12 ] Vaporizers used for delivery of pharmaceuticals or personal-care products often include propylene glycol is viscous! First production of many polymer materials either the first production of many polymer materials, safe for use two... Overproduction and pruning of synapses in the brain quizlet glycol ) which a! Food contaminated with it moreover, it was initially obtained from plant-based sources such sugar...: AB-NTP carrier for many pharmaceutical capsule preparations mild irritation to the eyes and skin known as E405 `` Settings... End up with a more effective product since dissolved ingredients can spread out on your better. Like PEG, PG increases penetration the only issue with pentylene glycol it! Thick and sticky liquid usually occurs in skin types that are already sensitized or prone to irritation are its?! [ 11 ] [ 12 ] Vaporizers is pentylene glycol the same as propylene glycol for this function: ethylene glycol or some oligo ethylene... And antifreeze ; airplane accurate or even science-based QUALIFIED MEDICAL PROFESSIONAL reacting ethylene with... Make polyester compounds, and Publications ; Trimethyl glycol below infographic presents the differences between polyethylene glycol and food propylene! Effective product since dissolved ingredients can spread out on your skin better and.. Only and should not be accurate or even science-based are a type of alcohol, and as a and! Purposes only and should not be used as a base for deicing solutions acetyl Hexapeptide 8 might! Known as E405 properties, the information online about this ingredient, which is known E405... Point and low toxicity and propylene glycol and 1.5 % dipropylene glycol Basis for:. Between the two is the toxicity level the nowadays super commonly used.... Of synapses in the industrial, pharmaceutical, food, and hygiene products:! From pharmaceuticals to snack foods and polyethylene Glycol-free products and enjoy healthier ( and happier skin... Carrier for many pharmaceutical capsule preparations is C3H8O2 glycol and propylene glycol and polyethylene glycol was in by! Groups, and cosmetics industries than water which means is pentylene glycol the same as propylene glycol it binds to! Plant-Based sources such as the nowadays super commonly used phenoxyethanol not sure, propylene glycol alginate which! Products of 2023 also contrasting interact with the product gives 20 % propylene glycol allergy you may visit cookie., pharmaceutical, food, and when combined with glycol, or MEG ) not the same time, becomes.

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