2 Pack of Sawyer Picaridin Insect Repellent Fisherman's Formula 4 oz spray SP544 Introducing our new 2 Pack of Sawyer Picaridin Insect Repellent modelled after the piperine molecule that occurs naturally it is one of the top active ingredients and insect repellent. tick repellent has ability of being virtually odorless it even has a mild citrus scent added to it which evaporates when dry making it effective and long lasting. Sawyer Picaridin Repellent effective against mosquitos, particularly effective against Anopheles mosquitoes, prevent various viruses and disease. bug repellent is effective for up to 12 hours, quality is assured and maintained up to current market standards.not only it will repel mosquitos but also ticks, biting flies, gnats, chiggers, fleas, no see ums. Use with confidence on the whole family.