Credo cigar humidifiers have been trusted around the world to keep millions of cigars fresh and up to par for years. Using an oasis foam and a propylene glycol solution to absorb moisture and maintain 70% humidity. Ready to be used the second they arrive, only distilled water is needed to start creating humidity. As for maintenance, a Special Care Solution is offered for scheduled check-ups to ensure your Credo product is working correctly. With a huge responsibility of keeping cigars around the globe in perfect condition, there’s a reason people trust Credo.