Thirty Madison, the company behind hair loss startup Keeps, is expanding into migraine treatments. The company on Tuesday raised a $15.25 million series A, bringing its total funding to $22.75 million. Investors have poured more than $600 million into companies that promise to bring care directly to patients in the past year alone. A company that got its start helping men prevent hair loss is now expanding into migraines. Thirty Madison, the company behind hair-loss brand Keeps, is calling the new business Cove, and it'll focus on treatments used to prevent migraines or help lessen their duration and severity.