Our formula contains a combination of nanoparticles that act on fungi very fast, effectively treat various types of fungi. Non-Resistance Inducing: PetPerk does not contribute to fungal resistance, ensuring long-term effectiveness and the same effectiveness every time. Rapid Fungus Eradication: PetPerk starts eliminating fungus within 24 hours, providing faster results compared to antifungal drugs that may take weeks to months. Convenient Spray Application: PetPerk's spray-based application makes it highly convenient. It is lick-safe and does not contain alcohol, making it 100% water-based and painless for your chosen family member. This spray does not contain any smell, so there is no irritation. The spray contains no color, keeping your family members clean always.