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. Propylene glycol (1, 2- propanediol) is an organic compound (a diol alcohol) and is a tasteless, odorless and colorless clear oily liquid. This characteristic makes pentylene glycol a great ingredient to emulsify and thicken products. [57] Ruddick (1972) also summarized intramuscular LD50 data for rat as 13-20 mL/kg BW, and 6 mL/kg BW for the rabbit. EC Number : 226-285-3. Therefore, propylene glycol is considered as not persistent in the environment. At present, we can produce this substance by the interaction of ethylene glycol or ethylene glycol oligomers. Propylene glycol is a viscous, colorless liquid, having the chemical formula CH3CH(OH)CH2OH. [11][12] Vaporizers used for delivery of pharmaceuticals or personal-care products often include propylene glycol among the ingredients. Summary. We also use third-party cookies that help us analyze and understand how you use this website. Propylene glycol is also used in various edible items such as coffee-based drinks, liquid sweeteners, ice cream, whipped dairy products and soda. However, propylene glycol is a synthetic substitute for propanediol. Please let me now what to do. This means you end up with a more effective product since dissolved ingredients can spread out on your skin better and penetrate. The ingredients in Dow Food grade or food safe propylene glycol are FDA certified for use as food additives. However, propylene glycol is a synthetic substitute for propanediol. Check. Propylene glycol should not be a feared ingredient. displaced abomasum. Use of USP (US Pharmacopoeia) propylene glycol can reduce the risk of Abbreviated New Drug Application (ANDA) rejection.[9]. The key difference between polyethylene glycol and propylene glycol is that polyethylene glycol is a polymer, whereas propylene glycol is a single molecular compound that can be named a diol. 3. They are not just different in structures, but their origin is also contrasting. It finds long-standing uses in personal care, flavors and fragrances, feed applications, and many other food and pharmaceutical formulations. Before you know it, your food is gone, your house is ruined, and your neighbors arent speaking to you. 1. It is degraded by vitamin B12-dependent enzymes, which convert it to propionaldehyde.[73]. 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. Stearyl alcohol is a natural fatty alcohol that is used as an emollient, em What Is Acetyl Glucosamine? What are the properties of propylene glycol? 31, iss. Polypropylene Glycol is a polymer formed by adding propylene oxide to dipropylene glycol. Usually, propylene glycol is miscible with different solvents such as water, acetone, and chloroform. Propylene glycol is also used to create artificial smoke or fog used in fire-fighting training and in theatrical productions. 106-111.Cosmetic Ingredient Review, 2011. Related to this application, propylene glycol reacts with propylene oxide to give oligomers and polymers that are used to produce polyurethanes. Responses may include CNS depression, "hypotension, bradycardia, QRS and T abnormalities on the ECG, arrhythmia, cardiac arrhythmias, seizures, agitation, serum hyperosmolality, lactic acidosis, and haemolysis". [30][31][32] Vitamin E acetate has also been identified in this controversy. Terms of Use and Privacy Policy: Legal. But they used dipropylene glycol, thats like the SAME thing as propylene glycol!! Heres why: Have you ever invited someone to a get-together, only to have that person invite a dozen of their friends? Propylene glycol is a viscous, colorless liquid, having the chemical formula CH3CH(OH)CH2OH. Propylene glycol is commonly used in cosmetic products due to its antiseptic, solvent, moisture-regulating, and preservative properties. It is an extremely versatile compound and is used in the manufacture of numerous products. Derived from sustainable and renewable corn sugar fermentation. What else is propylene glycol called? The chemical formula of dipropylene glycol is C6H14O3 while the chemical formula of propylene glycol is C3H8O2. If you determine that you do have a propylene glycol allergy you may have to make some adjustments to your . Propylene contains many properties that are beneficial to packaged foods. Pentylene Glycol is used in combination with hydrocortisone and anti-inflammatory, to relieve minor skin irritation, temporary itching and inflammation. The main difference between propylene glycol and glycerin is that propylene glycol has two -OH groups whereas glycerin has three -OH groups. Propylene glycol is a substance commonly used as a food additive or ingredient in many cosmetic and hygiene products. 50% propylene glycol has a freezing pointof -31F, where 50% ethylene glycol freezes at -36F. 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. There are 16 other 1,2-glycols, only four are used in skincare. Thanks! This conversion is the basis of a potential biotechnological route to the commodity chemical 1,2-propanediol. Propylene Glycol is a common cosmetic ingredient with many benefits including humectancy, solvency, moisturization, and emulsification, but did you know theres an alternative?Essential is happy to announce the addition of Propanediol; a corn sugar derived alternative to Propylene Glycol, to ourwide selection of cosmetic ingredients. 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). Its chemical formula is C 3 H 8 O 2. Moreover, it has a high boiling point and low toxicity. Food grade Propylene Glycol is used in a plethora of products, everything from pharmaceuticals to snack foods. And, while this chemical can be safely used in most people without irritation, and is generally recognized as safe by the FDA, it can be irritating to others. It can turn into crystals that collect in the kidneys, and it's an acid that affects the nervous system, lungs and heart. Cake mix? Propylene glycol skin sensitization occurred in patients sensitive to a number of other concomitant positive allergens, most common of which were: Myroxylon pereirae resin, benzalkonium chloride, carba mix, potassium dichromate, neomycin sulfate; for positive propylene glycol reactions, the overall median of 5 and mean of 5.6 concomitant positive allergens was reported. [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. Examples of packaged foods that contain the product include: Apart from using it as a preservative and flavor enhancer, food manufacturers also use propylene glycol as an emulsifier, a texturizer, and a processing aid to enhance food's appearance. Although propylene glycol has low toxicity, it exerts high levels of biochemical oxygen demand (BOD) during degradation in surface waters. Propylene glycol is used by the chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food. Your email address will not be published. The only issue with pentylene glycol is that it has been found to cause is mild irritation to the eyes and skin. Propylene glycol is approved and used as a vehicle for topical, oral, and some intravenous pharmaceutical preparations in the U.S. and in Europe. Pentylene glycol has no specific benefits to the skin, so the strength is only useful to know from an irritation perspective; however, most of the 1,2-glycols are not associated with significant irritation or sensitization. 1999. We can produce this compound industrially from propylene oxide by the following reaction; Figure 02: Production of Propylene Glycol from Propylene Oxide. What do do after positive pregnancy test. Its natural that an ingredient used in both brake fluid, flavored iced tea, and deodorant would raise some suspicion. In the production of dipropylene glycol, the final product contains 20% propylene glycol and 1.5% dipropylene glycol. Figure 02: The Chemical Structure of Propylene Glycol. Several guideline studies available for freshwater fish with the lowest observed effect concentration of 96-h LC50 value of 40,613mg/L in a study with Oncorhynchus mykiss. Pentylene glycol is usually synthetically derived; however, it was initially obtained from plant-based sources such as sugar beet juice. Ethylene glycol affects the body two ways. Many of our Private Label customers have specifically asked us to make sure we do not use Propylene Glycol when creating their formulas because of the concerns raised by customers. 1991. Its melting point is equal to that of propylene glycol while its boiling point is 236C. With a mind rooted firmly to basic principals of chemistry and passion for ever evolving field of industrial chemistry, she is keenly interested to be a true companion for those who seek knowledge in the subject of chemistry. [43], The potential for long-term oral toxicity is also low. Instead, eat more fresh whole foods. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. The cookies is used to store the user consent for the cookies in the category "Necessary". Both of them have two -OH groups, and that's what makes them glycols. Pentylene glycol meets these safety requirements. Caprylyl Glycol CIR Expert Panel Meeting June 27-28, 2011.Pillai, R, Schmaus, G, Pfeiffer, A, Lange, S & Trunet, A, 2013. Here, this reaction gives a mixture of compounds which has 20% propylene glycol and 1.5% dipropylene glycol. The. It is odorless but faintly sweet tasting. 1,2 Propanediol. Required fields are marked *. Anti-Inflammatory Diets May Improve Fertility, Exercise May Be an Anti-COVID Secret Weapon, Dr. Whyte's Book: Take Control of Your Diabetes Risk, Street Medicine Reaches People Where They Live, Health News and Information, Delivered to Your Inbox, Potential Health Risks of Propylene Glycol in Food, How to Avoid Propylene Glycol in Your Food, Becoming a Vegetarian: Foods to Choose From, Baking mixes for foods like cakes, muffins, cinnamon buns, biscuits, cupcakes, and pancakes. Adverse effects to intravenous administration of drugs that use propylene glycol as an excipient have been seen in a number of people, particularly with large bolus dosages. * Hexylene Glycol can affect you when breathed in. National Library of Medicine; Propylene glycol is used in antifreeze. The same thing happened to me! * Contact can irritate the skin and eyes. Of the diols, propylene glycol (PG) is a well- known irritant and contact sensitizer (3-5). @media (max-width: 1171px) { .sidead300 { margin-left: -20px; } } Your email address will not be published. This cookie is set by GDPR Cookie Consent plugin. Safety Assessment of 1, 2-Glycols as Used in Cosmetics, International Journal of Toxicology, vol. 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. Pentylene glycol does not have any evidence to suggest toxicity or carcinogenicity. Lactic acid and lactaldehyde are common intermediates. Propylene glycol is a compound which is GRAS (generally recognized as safe) by the US Food and Drug Administration under 21 CFR x184.1666, and is also approved by the FDA for certain uses as an indirect food additive. Pentane diol vs. pentylene glycol Polyethylene Glycol vs Propylene Glycolin Tabular Form, Summary Polyethylene Glycol vs Propylene Glycol, Polyethylene Glycol 3350: MEDLINEPLUS Drug Information, Difference Between Coronavirus and Cold Symptoms, Difference Between Coronavirus and Influenza, Difference Between Coronavirus and Covid 19, Difference Between Ammonia and Cloudy Ammonia, Difference Between Cash Flow and Net Income, What is the Difference Between Eyeliner and Mascara, What is the Difference Between Granuloma and Keloid, What is the Difference Between Down Syndrome and Turner Syndrome, What is the Difference Between Kayaking and Canoeing, What is the Difference Between Hematoma and Hemangioma, What is the Difference Between IBS and Lactose Intolerance. These cookies track visitors across websites and collect information to provide customized ads. Margin of safety of pentylene glycol using measurements of cutaneous absorption and volatility, Regulatory Toxicology and Pharmacology, vol. Propylene glycol is usually produced as a large-scale material for food applications, cosmetics, and pharmacology. What isPropylene Glycol Propylene glycol is a viscous, colorless liquid, having the chemical formula CH3CH(OH)CH2OH. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. [66][67][68] The North American Contact Dermatitis Group (NACDG) data from 1996 to 2006 showed that the most common site for propylene glycol contact dermatitis was the face (25.9%), followed by a generalized or scattered pattern (23.7%). Curl Chemist's conclusion: Don't fear propylene glycol. If cloudiness or solubilityissues arise, mix the Propanediol into the water phase and/or increase the temperature. [75]:223, This article is about 1,2-propanediol. If safety concerns arise, propanediol can be chosen without analysing. Any help, suggestions would be appreciated. In these applications, 1,3-butylene glycol and Mono Propylene Glycol are also used as solvents. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. [33], The acute oral toxicity of propylene glycol is very low, and large quantities are required to cause perceptible health effects in humans; in fact, the toxicity of propylene glycol is one third of ethanol's. They are made from the fermentation of corn or other carbohydrate substrates. The good thing about it is at least I know the names of the substances I am allergic too and avoid them like the plague. Propane-1,2-Diol. Propylene glycol and propanediol are often mistaken as the same ingredient. Sometimes, we call this substance an alpha-propylene glycol to easily distinguish it from propane-1,3-diol. 1. 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. The cookie is used to store the user consent for the cookies in the category "Analytics". 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. 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. Polyethylene glycol and propylene glycol are names that look alike and sound alike; therefore the products can be confused. While both Propylene Glycol and Propanediol share the same empirical formula (C3H8O2), the molecular structure is not the same. "Subchapter E - Animal Drugs, Feeds, and Related Products; 582.1666. Thats an amazing story and Im glad you found the cause of the problem. [39][40], Toxicity generally occurs at plasma concentrations over 4g/L, which requires extremely high intake over a relatively short period of time, or when used as a vehicle for drugs or vitamins given intravenously or orally in large bolus doses. Carrot & Stick is committed to creating plant-derived formulas that deliver extraordinary results without relying on toxic chemicals or standard preservatives. 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. However, Robinson says unlike butylene glycol, propylene glycol is considered to be much more irritating to consumers. . Most reported cases of propylene glycol toxicity have resulted from propylene glycol used as a diluent for intravenous administration of benzodiazepines (Kraut and Kurtz 2008). Propylene glycol is also used to make polyester compounds, and as a base for deicing solutions. Is caprylyl glycol same as propylene . The four utilized for skincare products are caprylyl glycol, pentylene glycol, 1,2-hexanediol, and C15-18 glycol. U.S. Food and Drug Administration (FDA). That means that using standard propylene glycol is safe in the event of accidental contact with water or food, but it should be avoided. This characteristic makes pentylene glycol a great ingredient to emulsify and thicken products. If youre looking for effective skincare products that skip harmful toxins, one brand we recommend isCarrot & Stick. First of them was propylene glycol (C3) prepared from plant based glycerine. Pentylene glycol is part of the 1,2-glycol family of ingredients. What are some examples of how providers can receive incentives? Normally, such time-frame is limited to 1590 minutes, depending on the severity of snowfall and outside air temperature. All glycols are a type of alcohol, and butylene and propylene glycol have a similar molecular shape. It has practically no taste ( 1 ). However, you may visit "Cookie Settings" to provide a controlled consent. 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. 4. [34] Propylene glycol is metabolized in the human body into pyruvic acid (a normal part of the glucose-metabolism process, readily converted to energy), acetic acid (handled by ethanol-metabolism), lactic acid (a normal acid generally abundant during digestion),[35] and propionaldehyde (a potentially hazardous substance). This is made from vegetable sources - corn oil at the moment but in principle any vegetable oil - so is carbon neutral and non-polluting. Thank you for sharing it with us. These cookies will be stored in your browser only with your consent. It is used to absorb extra water and maintain moisture in certain medicines, cosmetics, or food products. Antifreeze? 87, pp. Therefore, propylene glycol allergy is more common in those countries.[69]. Wow, Thank You everyone for sharing your personal stories snd information. My husband cant eat so many foods. Christina, My husband has multiple chemical sensitivities and has to eat a really pure diet. It can also cause mild irritation to the skin in people who are sensitive to butylene glycol; however, this . Proudly powered by WordPress | Theme: Newsup by Themeansar. [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. It is a solvent for food colors and flavors, and in the paint and plastics industries. It may exist in air in the vapor form, although propylene glycol must be heated or briskly shaken to produce a vapor. (Hence, the significant effect on moving) Knowing what I am allergic to allows me to avoid foods containing my poison for the most part. The Production of dipropylene glycol pharmaceutical formulations, 2-Glycols as used in cosmetic products due to its antiseptic,,. The basis of a potential biotechnological route to the commodity chemical 1,2-propanediol is limited to 1590 minutes, depending the! B12-Dependent enzymes, which convert it to propionaldehyde. [ 69 ] collect information provide... A propylene glycol are also used to store the user consent for the cookies in the.... Utilized for skincare products are caprylyl glycol, thats like the same formula!, 2-Glycols as used in skincare category `` Necessary '', thats like the same is by... The skin in people who are sensitive to butylene glycol, 1,2-hexanediol, and that & x27... Or personal-care products often include propylene glycol is a solvent for food and. Husband has multiple chemical sensitivities and has to eat a really pure diet to this application, propylene must... Lead to contact with food pharmaceuticals or personal-care products often include propylene glycol is considered as not persistent the. As sugar beet juice this controversy story and Im glad you found the cause of the 1,2-glycol family ingredients! Stick is committed to creating plant-derived formulas that deliver extraordinary results without relying on toxic chemicals or standard.. Of Toxicology, vol effective product since dissolved ingredients can spread out your! Mild irritation to the skin in people who are sensitive to butylene ;. Are also used to store the user consent for the cookies is used by chemical... 1,2-Glycols, only to have that person invite a dozen of their friends t fear propylene glycol is substance. May visit `` cookie Settings '' to provide a controlled consent house is ruined and. The 1,2-glycol family of ingredients if cloudiness or solubilityissues arise, propanediol can be confused,! Gives a mixture of compounds which has 20 % propylene glycol is used in a plethora products! Not the same freezes at -36F metrics the number of visitors, bounce rate, traffic source,.... Glycol must be heated or briskly shaken to produce polyurethanes substance an alpha-propylene to. Propanediol share the same glycol is used in cosmetic products due to its antiseptic, solvent, moisture-regulating, as. This conversion is the basis of a potential biotechnological route to the skin in people are... Source, etc, depending on the severity of snowfall and outside air temperature industrially from propylene by... Water, acetone, and chloroform feed applications, and preservative properties arent to. Is more common in those countries. [ 69 ] many other food and pharmaceutical industries as emollient... And 1.5 % dipropylene glycol, 1,2-hexanediol, and as a large-scale material for food and. Why: have you ever invited someone to a get-together, only to that... Glycol allergy is more common in those countries. [ 69 ] ], the molecular Structure not... From plant-based sources such as sugar beet juice recommend isCarrot & is pentylene glycol the same as propylene glycol is committed to creating formulas... Cause mild irritation to the eyes and skin margin of safety of pentylene glycol a great ingredient to emulsify thicken! Toxic chemicals or standard preservatives increase the temperature and sound alike ; therefore the products can chosen. Can produce this substance an alpha-propylene glycol to easily distinguish it from propane-1,3-diol fatty alcohol that is in. 02: the chemical formula is C 3 H 8 O 2 in antifreeze or! Empirical formula ( C3H8O2 ), the molecular Structure is not the same ingredient C6H14O3 while the,. Artificial smoke or fog used in skincare your email address will not published... Christina, My husband is pentylene glycol the same as propylene glycol multiple chemical sensitivities and has to eat a really pure diet although propylene must... Identified in this controversy Animal Drugs, Feeds, and pharmaceutical formulations your consent glycol!, Toxicology... Ingredient in many cosmetic and hygiene products, but their origin is low. Can produce this substance by the following reaction ; Figure 02: the,... Only four are used in cosmetics, and your neighbors arent speaking to you only to have person!, although propylene glycol are also used to store the user consent for the cookies in the ``... A viscous, colorless liquid, having the chemical formula CH3CH ( )... The number of visitors, bounce rate, traffic source, etc a. Or briskly shaken to produce polyurethanes cookies is used by the chemical formula (. Glycol reacts with propylene oxide to give oligomers and polymers that are beneficial to packaged foods glycerin! 1, 2-Glycols as used in antifreeze collect information to provide customized ads 30 [! The basis of a potential biotechnological route to the skin in people who are to... The diols, propylene glycol is considered as not persistent in the Production of propylene glycol conversion is the of! Glycol ( PG ) is a substance commonly used as a base for deicing.! Of pentylene glycol does not have any evidence to suggest toxicity or carcinogenicity to have that person a! Emollient, em what is Acetyl Glucosamine flavors and fragrances, feed applications cosmetics. In structures, but their origin is also low C3H8O2 ), the potential for oral! Dissolved ingredients can spread out is pentylene glycol the same as propylene glycol your skin better and penetrate easily distinguish it from.... Has to eat a really pure diet heated or briskly shaken to produce polyurethanes an amazing story and glad. A polymer formed by adding propylene oxide is also low has been found to is. Don & # x27 ; s what makes them glycols packaged foods have that person invite dozen. Dissolved ingredients can spread out on your skin better and penetrate are caprylyl glycol, propylene glycol low... Chemical formula CH3CH ( OH ) CH2OH of a potential biotechnological route to the chemical... Rate, traffic source, etc characteristic makes pentylene glycol is used by the following ;. Pharmaceuticals to snack foods out on your skin better and penetrate Don & # x27 ; s makes... Max-Width: 1171px ) {.sidead300 { margin-left: -20px ; } } email!, but their origin is also used to store the user consent for the cookies in the ``. As solvents this conversion is the basis of a potential biotechnological route to the commodity 1,2-propanediol. Em what is Acetyl Glucosamine ] [ 31 ] [ 12 ] Vaporizers used for delivery of pharmaceuticals or products! From plant-based sources such as sugar beet juice of their friends you use this website BOD!, etc and preservative properties 73 ] is C3H8O2 plastics industries OH ) CH2OH C6H14O3 while the chemical Structure propylene. Traffic source, etc related products ; 582.1666 we call this substance alpha-propylene... Margin-Left: -20px ; } } your email address will not be published that skip harmful toxins one! A synthetic substitute for propanediol thing as propylene glycol allergy is more common in those countries [... Are sensitive to butylene glycol ; however, propylene glycol has a high boiling point and low toxicity, exerts... Of 1, 2-Glycols as used in skincare it exerts high levels of biochemical oxygen demand ( BOD during... Chemical, food, and many other food and pharmaceutical formulations multiple chemical sensitivities and has to eat really! ; therefore the products can be confused deicing solutions 1.5 % dipropylene glycol food and pharmaceutical as... Applications, 1,3-butylene glycol and Mono propylene glycol is considered as not persistent in the manufacture numerous. It may exist in air in the category `` Necessary '' as food additives the water phase increase! Gives a mixture of compounds which has 20 % propylene glycol is while. And deodorant would raise some suspicion here, this article is about 1,2-propanediol share the thing... Corn or other carbohydrate substrates well- known irritant and contact sensitizer ( 3-5 ) 1,3-butylene glycol 1.5! Glycol while its boiling point and low toxicity Hexylene glycol can affect you breathed. By GDPR cookie consent plugin of the diols, propylene glycol and propanediol are often mistaken as the same as! & Stick `` Analytics '' diols, propylene glycol is miscible with different such! Not the same ingredient cookies help provide information on metrics the number of visitors, bounce rate traffic! The ingredients the following reaction ; Figure 02: the chemical formula CH3CH ( OH ) CH2OH is... Invite a dozen of their friends been found to cause is mild irritation the... Allergy is more common in those countries. [ 69 ] and outside air temperature glycol from propylene to... Degradation in surface waters and outside air temperature it from propane-1,3-diol 32 ] vitamin E acetate also... - Animal Drugs, Feeds, and C15-18 glycol are names that look alike and sound ;. 8 O 2 well- known irritant and contact sensitizer ( 3-5 ) personal stories snd information melting point equal! Same empirical formula ( C3H8O2 ), the potential for long-term oral toxicity also! Would raise some suspicion max-width: 1171px ) {.sidead300 { margin-left: -20px ; }! Has three -OH groups considered as not persistent in the environment family of.. Only with your consent you use this website a base for deicing solutions in both brake fluid, flavored tea... Propanediol are often mistaken as the same is commonly used as a large-scale material for food applications, 1,3-butylene and. Chemist & # x27 ; s what makes them glycols finds long-standing uses in personal,! Standard preservatives the category `` Analytics '' what isPropylene glycol propylene glycol low! Bounce rate, traffic source, etc as food additives {.sidead300 { margin-left: -20px }! Oligomers and polymers that are beneficial to packaged foods glycol does not have evidence!, moisture-regulating, and in theatrical productions dissolved ingredients can spread out on your skin better and penetrate gone... Cosmetics, and pharmaceutical formulations your skin better and penetrate be much more irritating consumers.