Thank you for your reply. So I checked the glove box and it turns out I unintentionally mislead you in my question, the gloves in question are nitrile examination gloves (not powdered) made from synthetic rubber as opposed to latex. So I'd like to know if the situation changes in that case? Also, if...

In the situation that I don't have access to proper lube, is there something I risk/need to watch out for if I use sunflower oil and latex gloves for anal fingering?