Beaphar Dimathe Care Line-On Aloe Vera Insect Repellent 3 x 4.5ml for Large Dogs is used to prevent and treat parasites such as ticks, fleas, and lice in cats. It contains aloe vera extracts, which are antibacterial and antifungal and soothe irritated skin. Its effective formula repels insects and prevents them from settling on the cat's skin, helping to maintain its health and comfort. Beaphar Dimathe Care Line-On ampoules are used once a month.