Go natural with One With Nature O.W.N. Grapefruit Guava Soap (1x7 OZ). Environmental consciousness is the cornerstone of our business. Our soaps have a 100% vegetable base and do not include artificial colors, fragrances or animal ingredients of any kind. Our eye-catching colors result from a blend of plant and naturally-occurring mineral pigments found in the diverse climate zones of the region. The rich scents come from pure essential oils or other 100% natural sources..