Caitlin Warrington
Are comedogenic ratings reliable?

Are comedogenic ratings reliable?

http://www.nononsensecosmethic.org/wp-content/uploads/2013/12/Comedogenicity-and-irritacy-of-commonly-used-ingredients.pdf Are comedogenic ratings actually useful? Long story short, no, comedogenic ratings are not reliable at all. But here's some background..... -------------------------------------------------- When I was first experimenting with making body butter for my pregnant belly and my baby-to-be, I was a bit concerned about the comedogenic rating of cacao butter : 4 (on a scale of 0 to 5).  But the SMELL! So I tried it anyways. Lo and behold, no issues. No breakouts on my face, on my back. Nothing.  What is the comedogenic rating scale? In the mid-1950s they developed the Rabbit Ear Assay to gauge how likely a certain...

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