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 ( Condoms protect against unplanned pregnancy and most sexually transmitted infections, including HIV, gonorrhoea, chlamydia, and syphilis. Use only water or silicone based lubricant with a condom during vaginal and particularly anal sex Approach to lubricant use for sexual activity The College of Family Physicians of Canada Free Love: Playground's Plant Based Serum for Vaginal Health Amazon.com: Sliquid H2O Water Based Lube Lubricant for Sex, Glycerin Free Personal Lubricant (4.2 Oz) Clear, Unscented : Health & Household