An ingredient made from the bark of a genus of tropical shrubs known as guava. Many guava plants are commonly used in folk medicines to treat inflammation, bacterial infections, and a number of other health problems.

Guava bark is sometimes included in natural lubricants as an analgesic (pain-killer) and anti-bacterial ingredient. You should always take care when using lubricants with analgesic ingredients, as they can increase the chances of injury during oral or anal sex. Apart from its potential painkilling properties, guava bark is a safe lubricant ingredient with a low incidence of side effects