Below are two chemicals commonly added to skin care products.
With the uproar created by the presence of propylene glycol and the refusal of many consumers to use any products containing propylene glycol, personal care product companies are turning to propanediol as the number one "other" ingredient.
propanediol - a sweet colorless, viscous, hygroscopic liquid used as an antifreeze and in brake fluid and also as a humectant in cosmetics and personal care items although it can be absorbed through the skin with harmful effects
propylene glycol
antifreeze - a liquid added to the water in a cooling system to lower its freezing point
humectant - any substance that is added to another substance to keep it moist
For example, Jason Natural is one of the many companies with propanediol as the major ingredient.
This is their list of ingredients, notice how Propanediol is listed as the number one ingredient followed by sodium stearate (a chemical used in manufacturing),
NO: Aluminum, Parabens, Phthalates or Propylene Glycol
Our Pure, Natural Deodorant is clinically tested to effectively control odor for all day protection. Naturally sourced Zinc Ricinoleate, Corn Starch and Baking Soda neutralize odor while Tea Tree Oil and Grapefruit Seed Extract, known for their antimicrobial properties, help fight odor-causing bacteria.
Other Ingredients
Propanediol, aqua (water), glycerin, sodium stearate, zinc ricinoleate, polyglyceryl-3 caprate, melaleuca alternifolia (tea tree) leaf oil, citrus grandis (grapefruit) seed extract, allantoin, behenyl alcohol, ethylhexylglycerin, glyceryl stearate, silica, sodium bicarbonate, sucrose cocoate, tocopheryl acetate, zea mays (corn) starch, amyl cinnamal, benzyl benzoate, benzyl salicylate, citronellol, isoeugenol, fragrance (parfum)
http://www.iherb.com/Jason-Natural-Deod ... =null&ic=3