An annual competition sponsored by the American Contact Dermatitis Society (ACDS) yields prizes akin to the movie industry's Rotten Tomatoes award. The allergen of the year is announced. This year's winner is a substance found in several meals, pharmaceuticals, topical skin care items, and cosmetics Read More

In many cosmetic and hygiene goods, propylene glycol is a chemical that is frequently used as a food addition or component. Food safety officials in the US and Europe have deemed it to be generally safe for use in foods. Since it is also a component of antifreeze, it has, however, raised some contro Read More

DefinitionThe physical characteristics and applications of propylene glycol and ethylene glycol are comparable. Only one methyl group (HOCH2CH2OH in the case of ethylene glycol and CH3CH[OH]CH2OH in the case of propylene glycol) separates their chemical structures. Humans are susceptible to acute po Read More