For many years Kim Airs, along with many other sex educators, has cautioned against the use of glycerine-based sexual lubricants. The thought was that glycerine was a sugar, and sugars cause all kinds of upset in the vagina. In this clip Kim lays out some science that might call that idea into question. What do you think?
Kink Academy is a comprehensive library of 2000+ sex-ed videos for adventurous, consenting adults.