Toady we are looking at what and how to use the lubricant during sexual intercorse., There are three common kinds of lubricant, oil based, water based and silicone based, lubricants. Youth Action The In Vivo Effect of Water Based Lubricants on the Vaginal Microbiome of Women from Varying Age Groups: Exploratory Analysis of a Randomized Controlled Trial This is how to apply a lubricant on the pnis to avoid friction Make sure you're using a water based lube for comfort and safety Remember, a cndom helps prevent HIV, STIs, Water Based Personal Lubricant, Aopar, 30mL SAFE LUBRICANTS