Redisan Spot-on against ticks and fleas for cats up to 8 kg Redisan Spot-on is a plant-based tick and flea protection for cats containing lemon eucalyptus. Eucalyptus citriodora oil is known as one of the most effective remedies against fleas and ticks and also leaves a pleasant scent. The Spot-on treatment repels only the parasites, without any traditional toxic effects. Application: For cats 12 weeks and older. Detach the pipette from the packaging. Hold the pipette in an upright position and carefully twist open the top tip. Part the fur and apply a thin strip of the fluid along the spine from head to tail base, or in dots at intervals of approximately 3-5 cm. Dont forget the head, flanks, and skin folds. Biocidal product registration number N-105332