Fabricio Tueros Jimenez, 20, was arrested after being pulled over by Hillsborough County sheriff's deputies, the department wrote on Facebook Monday.
Jimenez, the passenger in the vehicle, "had a white powdery substance on his nose" that a deputy believed was cocaine, officials said. His nose was swabbed, and a test confirmed the powder was, in fact, cocaine, according to the sheriff's office.
The 20-year-old was arrested without incident, but tried telling authorities "the cocaine on his nose was not his."
Deputies also found a backpack in the car with 250 grams of marijuana and 13 Xanax pills, officials said.