Question from Patreon: What are these ingredients I found in DHC Deep Cleansing Oil?

In the July Q&A on Patreon, Jaime asked: Can you tell me your thoughts on the following three ingredients and if there is a natural substitute? sorbeth-30 tetraoleate (is this just an emulsifier), pentylene glycol (humectant?), stearyl glycyrrhetinate (?)  They seem to be simple ingredients but I’m wondering if they are used for something other…