The systems and methods of the disclosure provide, inter alia, cosmetic products, e.g., finished cosmetic products that may be considered to be “biome-friendly” or “biome-compatible.” The systems and methods of the disclosure may provide for use of cosmetic products, e.g., finished cosmetic products, that may be used in combination with bacteria, e.g., non-pathogenic bacteria, e.g., ammonia oxidizing bacteria, which may be used in the form of a preparation or composition to be applied to a subject.
