AOBiome, Cambridge, MA, has launched Mother Dirt, a biome-friendly line of products for the skin. The line features the AO+ Mist, billed as a first-of-its-kind product containing live Ammonia-Oxidizing Bacteria (AOB), and biome-friendly cleanser and shampoo SKUs, both designed to effectively cleanse without harming the beneficial bacteria of the skin. According to AOBiome, much like the gut, the skin biome relies on good bacteria to help the skin stay healthy. However, the firm says that the ba...