The present patent application describes a film developed from components of natural origin for covering wounds, the method of application of said film being in the form of individual disposable packaging, ampules, syringes and/or other types of packaging. Said film provides the wound with a moist environment, for natural autolytic debridement to occur. The film incorporates bioactive agents such as, for example, acetylsalicylic acid, essential oils, plant extracts, and other bioactive agents, which confer antibacterial, antifungal, anti-inflammatory, antioxidant and regenerative properties. The method of application is also explored in order to make patients' lives easier and to minimize pain and discomfort experienced by said patients when receiving treatment given as first aid.