Okay so my baby and I are getting Maternity pictures done tomorrow and I want my face to be as clear…

Okay so my baby and I are getting Maternity pictures done tomorrow and I want my face to be as clear as possible. I don't want to put a mask or anything on my skin that has chemicals and such that might break me out or leave rashes over night. Anyone know a good option for a home treatment or anything that might help? Pleaseee :)