Hello - I recently started working on films and I was put in charge of last looks for extras one day.  I worked on about 25 people within a 15 minute span.  I really only needed to make sure they were not shiny and the girls lips were re -done. 

Can I get some feedback from others who have worked in this genre?  What is the most effective way to work in this scenario?  I specifically want to know the most sanitary and quick way to powder multiple persons as well as applying lip gloss on lots of girls quickly. 

Thanks for your advice.

Last looks are not meant to be anything more then a fast look.  Most often there isn't any real work to be done.  If possible  I will be on set before last looks are called eyeing everything.  Know how much time you have.  Sometimes you will be able to finish up while they are a justing lighting, camera things like that.  I have sent models on set in rollers and then with the time I had I could comb them out.  And still had time left!  Carry a couple of powder puffs with powder on them.  Rotate them so each person has a clean side.  Tissues to blot.  Don't get crazy with lips.  If you have to, use lip gloss and rotate them.  For hair if you are doing that to then just a quick finger through and maybe, a light spray.  The idea is be fast and get out.  I have seen more people take forever and a day for perfection.  Drives me crazy.  Don't.  It all works out in the end.  R-

Rick is spot on. Use the monitor and do quick last looks based on how the actors look on camera. How the actor looks in person and on camera can be different so use last looks to adjust. A makeup belt and set bag packed well can save so much time and then you're not fumbling and looking for things in front of your entire crew!

Thank you all for this advice.  I appreciate hearing from pros who've experienced the ups and downs

For last looks in volume I shake some neutral powder into a pie tin and walk down the line with a plastic grocery bag hanging open over my wrist. I have a pile of puffs in the other and as I walk down the line I dip in with a puff, powder, drop it in the bag, and repeat. Obviously only one dip in the powder per puff.

For lip touch ups I have a strip of wax paper with lip gloss dabs (one for each actor/model) on it and a handful of doe foot applicators and the same grocery bag on the wrist. I walk down the line and after dabbing an applicator in the gloss, applying, and dropping it in the bag I fold the paper over the dab I used so it doesn't get re-used.