13 Mar '18, 4am

UPDATE:

Ally asks… I’ve been seeing “propylene glycol free” on a lot of products lately together with ‘paraben free’ and ‘mineral oil free’. Googled it to see what’s so harmful about it and here found the Material Safety Data Sheet warns users to avoid skin contact with propylene glycol as this strong skin irritant can cause liver abnormalities and kidney damage’. If anyone could shed some light on the issue, would be much appreciated. The Beauty Brains respond: Propylene Glycol (or PG as we cosmetic scientists call it) is primarily used in beauty products to improve freeze-thaw stabilize of emulsions. A few percent or less of PG can prevent a cream or lotion from developing a grainy, cottage cheese-like texture when exposed to low temperatures. It also has moisturizing properties similar to glycerine (which is more commonly used.) But PG, along with many other chemicals, has gott...

Full article: http://thebeautybrains.com/2014/10/whats-so-terrible-abou...

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