Defense from Intimate Earth is the only protection lubricant containing both Carrageenan Sea Kelp and Guava Bark Anti-Bacterial extract. This is an exciting breakthrough in lubricants. A recent study conducted by researchers from The National Cancer Institute NCI found that: in a test tube, carrageenan, as an ingredient, inhibits the infectious ability of viruses that cause cervical cancer and genital warts. The NCI findings, as reported in a peer-reviewed journal published by The Public Library of Science, are being studied for its potential impact in combating the spread of sexually transmitted diseases STDs. Guava Bark is used in the Amazon as a douche to treat and prevent yeast infections. Benefits: Natural Anti-Bacterial extracts for safer sex, anti-yeast infection lube, sea kelp / carrageenan formula to provide HPV Barrier, Glycerine & Propylene Glycol Free, Light and long lasting, latex condom friendly, aloe for softness.