Propylene Glycol (PG)

Propylene Glycol is one of the most widely used cosmetic ingredients and is a clear, viscous liquid that has a slightly bitter taste. It absorbs moisture and acts as a solvent and wetting ingredient. It is often used in liquid makeup, creams, antiperspirants, mouthwashes and much more. Propylene Glycol is also used as a FRAGRANT ENHANCER. Because of its low chronic oral toxicity, propylene glycol was classified by the U. S. Food and Drug Administration as “generally recognised as safe” (GRAS) for use as a direct food additive, including frozen foods such as ice cream and frozen desserts.Propylene Glycol (PG) is a synthetic liquid compound widely used in food, pharmaceuticals, cosmetics, and industrial applications. It is colorless, odorless, and water-soluble, making it a versatile ingredient.1. Food & Beverage IndustryFood Additive (E1520 / E490) – Used as a humectant, emulsifier, and preservative.Solvent for Flavors & Food Colors – Found in vanilla extract, artificial sweeteners, and sodas.Moisture Retention – Prevents drying in processed foods and baked goods.Common Foods Containing PG:• Soft drinks & flavored water• Ice cream & dairy products• Packaged baked goods• Salad dressings & sauces2. Pharmaceutical & Medical UsesDrug Carrier & Solvent – Helps dissolve active ingredients in oral, injectable, and topical medications.Moisturizer in Eye Drops & Skin Creams – Prevents drying in eye lubricants.Used in Inhalers (e.g., Asthma Medication) – Helps disperse medication as a mist.Common Medicines Containing PG:• Cough syrups• IV medications• Topical creams & ointments3. Cosmetics & Personal CareHumectant & Moisturizer – Helps retain skin moisture.Solvent for Fragrances & Active Ingredients – Used in lotions, shampoos, and deodorants.Non-Greasy Texture – Helps create a smooth feel in creams and gels.Common Products Containing PG:• Moisturizers & serums• Shampoos & conditioners• Deodorants & body sprays• Lipsticks & foundations4. E-Cigarettes & Vaping LiquidsUsed as a base ingredient in e-liquids for vape pens and e-cigarettes.Helps create a smooth vapor when inhaled.Mixing Ratio: Often combined with vegetable glycerin (VG) for balance.5. Industrial & Household ApplicationsAntifreeze & Coolant – Used in automobiles and HVAC systems.De-Icing Agent – Found in airplane de-icers.Solvent in Cleaning Products – Found in laundry detergents, disinfectants, and surface cleaners.Other Uses:• Paints & coatings• Hydraulic fluids• Pet food preservativesSafety & Side EffectsGenerally recognized as safe (GRAS) by the FDA.Low toxicity, but high doses may cause irritation (skin, eyes, or digestive system).Not to be confused with Ethylene Glycol, which is toxic.