The February Twitter Educational!
As a fact for lube preferences, Dr. Zo usually uses water-based or oil-based, as any toys he's owned or used have typically been made of silicone. Cameraman carries all three on him in his travel bag, as well as some with flavors, as sometimes clients request them. But personally, he prefers silicone-based, as he usually opts for glass or metal toys when he gets to pick!