Propylene glycol is used as an antifreeze in cars and trucks.
If you want to use essential oils, however, you'll have better luck combining 1 ounce essential oil, 2 1/4 ounces pre-formulated reed diffuser oil base or fragrance grade dipropylene glycol, and 1/4 ounce perfumer's alcohol.
Steer clear of anything that contains propylene glycol, sodium lauryl sulfate, sodium laureth sulfate or parabens, just to name a few of the ingredients that are often debated in the industry.
In addition to being aluminum free, it is also free of parabens, propylene glycol and harsh chemicals, all of which may contribute to skin irritation.
Some questionable ingredients, like propylene glycol and sodium sulfate, are found in fading cleansers and may irritate the skin.
Stool softeners such as polyethelene glycol (Miralax) or an over-the-counter laxative may be recommended for constipation.
Ethylene glycol, C2H4(OH)2, was first prepared by A.
It may be obtained synthetically by heating sodium in a current of carbon dioxide to 360° C.; by the oxidation of ethylene glycol; by heating sodium formate to 400° C. (V.
PIPERAZIN, a substance formed by the action of sodium glycol on ethylene-diamine hydrochloride, consisting of small alkaline deliquescent crystals with a saline taste and soluble in water.
In 1867 Wurtz prepared neurine synthetically by the action of trimethylamine on glycol-chlorhydrin, and in 1872 he discovered aldol, pointing out its double character as at once an alcohol and an aldehyde.