Tyrell Zeno MDTyrell, Inc developed Zeno™, the at-home medical device FDA-cleared to clear blemishes safely using the science of heat. Tyrell, Inc was established in Houston, TX in September 2002 and is a leading pioneer in an exciting new category of home-based medical devices. The company was formed to develop and launch Zeno™, a product set to revolutionize over-the-counter treatment of acne pimples. Utilizing proprietary ClearPoint™ technology, this electronic medical device applies sustained heat therapy to destroy the bacteria that causes common acne, dramatically reducing the healing time of pimples.