This is one of many reasons we need stylists. To explain the difference between glycerin and oil if one is trying to make the model shiny. And yes, there is a backstory to this....

k  would you like to fill us in or can we make up our own story ?/?

i was using baby oil and water but after reading a thread here about Pam cooking spray, i tried it and it works great.  Pam cooking spray followed by a light mist of water.....  check out the boxer on my port....this is how i did her...