Defense Anti-Bacterial Lubricant Sea Kelp & Guava Bark is nothing but a high-quality water-based formula that is free of paraben and free of glycerine. The formula has also been blended with sea kelp and guava bark. It also acts as a complete protection against yeast infections by maintaining healthy microflora. It has been clinically tested by experts and is completely harmless for the skin. As the name goes, it is completely anti-bacterial and safe for the private parts.