There's a multitude of emulsions available, even after a lot of them have been discontinued. Each one reacts a little differently to light, both in terms of requiring more or less light, but also in terms of reacting in various unique ways to light.
Sarah CP
Sarah CP in her black vinyl dress
Science Fiction evil villainess.
Blue light, mirrored dress, red fishnets, and a red gun
Ruby on the railing
Ruby leaning against a railing
Oh what have you done?
Dona pensive with her paper mask