We include all of the standard warnings and disclaimers on the warning label, however we also give an information sheet with each candle. this has information about us, as well as specific instructions for burning and candle maintenance.
We do this specifically as many people have not burnt Palm candles before, so might be freaked out when they perform differently to "standard" candles. Our tins always have a pretty large flame on the first burn, which then settles for the second and subsequent, but if people don't know this they can panic. Palm pillars should NOT be lit and left to burn all day, etc etc
We are not just in the candle business, but also the education business.
Ultimately no matter what you say or recommend, customers will do what they do, and unfortunately we do not have any influence or control once they take it home with them.