Can I Use Petroleum Jelly as a Sexual Lubricant? Vaginal Lubrication: Vaginal Dryness, Vaginal Health, and More Petroleum jelly using as lubricant in sex and smooth and warm it VASELINE as vaginal lubricant watch FIRST Before Using YouTube NEVER USE PETROLEUM JELLY AS LUBRICATION during intercourse, because this can create a breeding ground for bacteria, causing infection. If you're trying to conceive, it is much better to use PreSeed, the