https://www.recompose.life/faq

Everything - including bones and teeth – is transformed. That’s because our system creates the perfect environment for thermophilic (i.e. heat-loving) microbes and beneficial bacteria to break everything down quite quickly. By controlling the ratio of carbon, nitrogen, oxygen, and moisture, our system creates the perfect environment for these creatures to thrive. We also mix the material at several points during the process to ensure thorough decomposition.