WD 40 Water Resistant Silicone Lubricant (11 oz) A sperm friendly lubricant should be water based, no glycerine, no Vaseline based, adjunct to the vaginal pH, this is very important. The regular lubricants usually are Vaseline based. But the question Have you tried WD 40 Specialist Silicone?, Use it for:, o Metal and non metal parts and surfaces, o No mess lubrication for moving components, o Adding water resistance and protection from rust, For Vaginal Lubricants & Fertility: Is Your Choice Safe? WD 40 300012 Silicone Lubricant, 11 oz, Aerosol Can, Liquid, Colorles Jackson's Hardware WD 40 Multi Use Product and WD 40 Specialist Martinique Ubuy