FATSKN + Sometimes Personal! — comedogenic

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 ingredient...