Does Your Lubricant Help or Hurt? Lube 101 Femicorp Nigerian doctor warns against the use of saliva as lubricant during sex Four things you should never ever use as lubricants during coitus 1. Vaseline Petroleum jelly It traps bacteria, increases risk of infections (especially yeast & BV), and can damage condoms. 2. Saliva ( happy monday! starting the week off right and talking about some lube myths and facts remember that safe and comfortable sex is lube tastic! In many cases, a woman can experience painful sex if there is not sufficient vaginal lubrication. When this occurs, the pain can be resolved if the woman becomes more relaxed, if the