inci labeling

Hey there; I have a neem soap with hemp and Shea butter. I list my ingredients in the following manner: Saponified coconut oil, olive oil, neem oil, shea butter... Blah blah, etc. I used to list sodium hydroxide as an ingredient but one of my favorite customers asked me whether it was...

I'm new in labeling and been reading a lot about INCI I found confusing about the way we have to write the name in the label, for example: lavandula angustifolia (lavender) oil = lavender essential oil Ricinus communis (castor) seed oil = castor oil Do we have to write exactly like that? I...