This Wildlife Research Center Scent Killer Autumn Formula 24 fl. oz. Spray is a high-powered human odor elimination formula that has been chemically blended with the scent of autumn woods and fields. The result is a very mild masking scent effect along with high-powered scent elimination qualities. The scent killer spray attacks human odor at the molecular level. The scent killer spray works on contact and continues to work for days after drying. The scent killer spray works so good, it was found to be 99% effective at stopping replicated human odor - 10 days after drying - in testing at Rutgers University. The superior human scent elimination formula of this scent killer spray has been formulated with the scent of autumn woods and fields to give you the most powerful weapon ever against a buck most powerful defense - his nose!