"...allllll right then. Though if devils are able to exert decision control that detailed, I don't understand why the rest of Golarion is such a wreck..."
"We should go ahead and stop talking about this, actually, I think Isidre was right to label this all dangerous-information to me for now. You've successfully impressed me with how hard you are to damage."
"Golarion Civilization would've found you eventually, you know, even if they had to build magitech to search the entire planet point by point. And if not, I do suspect you'd have ended up somewhere else just like me."
The thing in the basket labeled #1, presumably the least terrifying thing in it, is a nonmagical extract of a foreign plant that's used to make food taste like fire, which Jacint's note says she's guessing wouldn't exist or wouldn't be used for flavoring in dath ilan. There's a list of places to potentially apply the extract to Carissa, essentially a list of body parts with mucous membranes. The burning this produces can be moderated or neutralized by Prestidigitation, if you imagine changing the taste to be less like fire. This, Jacint notes and underlines, is not a good thing to forget to do before bringing any mucous membranes of your own into contact with some part of Carissa where the spiciness-extract has already been applied.
Jacint doesn't think this is likely to do much to Carissa, but if Keltham wants to start off without any magic, it's there for him. She included it mainly as an intermediate step along the way to #3, a magical-ointment version of the same, which requires a separate magical liquid to neutralize and causes much more pain, a few droplets of which could also be mixed and diluted with the nonmagical stuff.
Gloves have been included in this basket, for multiple reasons.