No. But they are both used to combine oil with water. An emulsifying conditioner adds extra conditioning qualities to your formula. I think they can be used interchangeably but depending on the product you may prefer to use one over the other. That is my limited understanding though.
It is often called BTMS, and alot of the soap suppliers have it.. Will have to check and let you know.. I think, I think that MMS has it..
