A non-medical grooming comb designed to prevent skin infections in dogs by improving skin microbiome balance through daily synbiotic care. Inspired by the texture and function of cat tongues, its flexible bristles deliver a fine mist of symbiotics deep into the fur. Unlike traditional antimicrobial treatments, PreFur supports healthy bacteria without causing resistance or irritation. The device uses a replaceable, sealed cartridge system to ensure hygienic delivery and features an anti-contamination surface coating. It offers a non-invasive, resistance-free alternative that integrates grooming and dermatological care.