Propylene glycol, also called propane-1,2-diol, is a synthetic organic compound. It is a viscous colorless liquid which is nearly odorless but possesses a faintly sweet taste. Chemically it is classed as a diol and is miscible with a broad range of solvents, including water, acetone and chloroform.
Humectants due to their hygroscopic nature and ability to attract and hold water.
Preservatives due to inherent antimicrobial activity against a wide range of bacterial and fungal species.
Propylene glycols are commonly used in many types of cosmetic formulations such as skin care (creams, moisturizers, cleansers, lotions, sun care products).
Deodorants and antiperspirants (roll-on, stick and gel deodorants).
Hair care (shampoos, conditioners, wave sets, styling gels and coloring products).
Shaving products (creams, foams, gels, and after-shave lotions).
Bath and shower products, Perfumes and colognes, Baby care products (baby wipes), Hand cleansing and disinfecting gels, Color cosmetics (blushes, eyeliner, lipsticks, eye shadow), Dental care (mouth washes and toothpastes).