US 6,270,752 B1: Researcher Giancarlo Verona of Milan, Italy, has patented a composition to prevent and treat hair loss that contains a hydroalcoholic mixture of beta-pinene, camphene, beta-myrcene, limonene, cineole, camphor, linalol, bornyl acetate,
isobornyl acetate, menthol, terpinen-ol and isoborneol monoterpens.