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Raincouver Beauty

Vancouver Beauty and Travel Blog

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The Science Behind it All: Polybutene

December 14, 2012

Hey guys,

I’m introducing a new kind of posts called “The Science Behind it All’. I wanted to not only increase my knowledge about makeup in the superficial level, but to also understand what it’s made of. In these series, I will explore the scientific side of ingredients in cosmetics.

First up: Polybutene

When I read the ingredients list for my Stila lip glaze set, I was shocked.  It’s full of tenes, and ates, and lenes, and all these scary chemcial compounds. Since polybutene is first on the list, I decided to do some research.

http://www.lookchem.com/keyimages//2009-11/dded2fe2-96fe-421c-a66a-ff4b1cf7abe3.png

What is Polybutene? 
-Scientifically: a polymer formed by the polymerization of a mixture of isobutenes and normal butenes. The viscosity of polybutene increases in direct proportion to increasing chain length.
-Normal language: it is a light colored, nondrying, sticky liquid derived from petroleum used as a plasticizer

What is it used in? It can be used in the formulation of lipstick, eye makeup and skin care products.

Why is it used? It functions as a binder and viscosity increasing agent. Pretty much it makes the liquids less runny!

Harmful? Does not cause any suspected health side effects! Considered safe for cosmetics use.

So it looks like this chemical isn’t bad at all for you. But of course it’s not good either. For those who likes to use natural makeup, maybe take a second look to see if the first ingredient is polybutene next time you buy lipgloss! I think this compound is what makes Stila lipglosses so sticky!

More Links
http://www.goodguide.com/ingredients/101285-polybutene

Natural alternative to polybutene in lip gloss
http://beyourselfbeautiful.com/makeup/makeup-review-afterglow-cosmetics-organic-hydra-gloss/

Science
by raincouverbeauty 
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Hello!

Hi, I’m Angela and welcome to Raincouver Beauty! I test and share swatches and reviews of the latest beauty products. I also love to travel the world especially if I can sip on a glass of wine! Join me as I live high-low: save when you can and splurge on special experiences!

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