Delivery of Dermatology. Cortina provides you access to a dermatologist who is board certified from the convenience of your own home. We ship out your prescription within 24 hours after diagnosis from our U.S.-based pharmacy. They have trained and attended some of the world's most prestigious institutions. All have successfully completed 8+ years medical training, over 16,000 patient observation hours, and rigorous exams including the U.S. Dermatology Board Examination. Cortina dermatologists collectively have treated more than 100,000 patients to date. We know that there's no such thing as a one-size fits all approach to dermatology. Long waits and poor dermatological treatments frustrate people across the nation. It should be easy, affordable and quick to see a dermatologist who is board certified. This problem has been resolved. Cortina bridges the gap in care between dermatologists and patients by providing quality, board-certified treatment across all 50 states. Finally, you can diagnose and treat acne, rosacea and dark spots anywhere, anytime!