Actual Thoughts I've Had, Verbatim...

[Mister Obvious]

You don't need no Mehron body paint. That's for stage performers who are far away from the audience under 50 spotlights.

Get two of these, because if you're using one for your lips/brows you don't wanna dip into the one you're gonna be using on your eyes...

https://www.amazon.com/ISMINE-Single-Eye...B07C78L1RS

Get one of their white.

You also should get eyeshadow primer which will go on your eyelids before the eyeshadow...

Cost effective:

https://www.amazon.com/Wet-Wild-Photofoc...B01AFP8HS6

Best:

https://www.amazon.com/Maybelline-Instan...B07HM8598M

You could also use it on your lips before applying color but...

TBH, a light layer of Vaseline or something will do fine not only for lip prep but also to act as the lip gloss, plus it's a semi-useful multi-use thing you can use later cuz I don't expect you're gonna keep wearing makeup on a regular basis LMAO.

And BTW I'd never recommend those eyeshadows for someone who really was gonna wear makeup on the daily, this is solely for costume purposes.