PSA: Silicone based lube > spit In fact, using saliva as lube can introduce oral bacteria that may disrupt your vaginal microbiome. Swipe through and save for more vaginal health tips! Why Has Comedy Become So Right Wing? The Atlantic Saliva is not lube. Especially not if you're trying to get pregnant! A healthy lube should be: pH balanced iso osmolar fragrance free non irritating Save this, and share it with your friends! #reproductivehealth # No! using saliva as a lubricant isnt healthy or recommended., Heres why, 1. High infection risk, Saliva carries bacteria and viruses from the mouth that dont belong on genital or anal tissues. This Is Saliva an Effective Lubricant for Safe Sex?