Setup: The Wartie Wart and Verruca Remover is designed for immediate use with no assembly required. Simply ensure the wart and surrounding skin are clean and dry before application. Always read the full instructions provided in the package before first use. Compatibility: This product is suitable for common warts and verrucas on hands and feet. It is safe for use on children aged 4 years and older. Do not use on sensitive skin areas (e.g., face, genitals), on moles, birthmarks, or any other skin conditions not identified as common warts or verrucas. Consult a doctor if unsure. Care: Store the Wartie Wart and Verruca Remover at room temperature, away from direct sunlight and heat. Keep out of reach of children. Do not puncture or burn the canister. Dispose of according to local regulations after it is empty.