What is Clavicular referring to here?

[iabsolvejordan]

What compound did he mention alongside tretinoin in this clip? Searching up what I heard, “tarzeteritine”, doesn’t give me any results. Maybe he was talking about tetrazine, but I don’t see any correlation between tret and it.

 

[BrutalMogger]

tazarotene

 

[iabsolvejordan]

tazarotene

thanks, this one seems to fit in perfectly within context

 

[Mainlander]

tazarotene