Most prop masters I’ve worked with use either this brand or something very similar. From that page the ingredients listed are: Marshmallow Leaves, Red Clover Flowers, Rose Petals, Fruit Juices, Honey. You can also buy packs that are designed to look like real brands(yellow american spirits, the famous “Marlboro Red”, and white for marb lights.)
Fake cigarettes have been pretty common props for a while now. Obviously there used to be a lot more actual tobacco use on sets but nowadays, especially with a lot of municipalities outlawing tobacco smoking indoors in public spaces, its almost always all fake/herbal. There are also nicotine free vaporizers that are styled to look like real cigarettes.
Most powerful person in the world and a 20 something intern. Yep it was totally all her fault and we’re in the right for making fun of her 25+ years later.
Outside of antibacterial or germicidal soaps, the cleaning action of washing with soap is 100% mechanical. Soap molecules are asymmetrical and have one side that’s hydrophilic and one side that’s hydrophobic which, when used with water, creates a nifty mechanism that picks up crap on one side and catches a ride on the water molecules with the other side.