 After 4 years of research and experimentation, the company introduced the original "Mentholatum Ointment" in December 1894, which consisted of a combination of menthol and petrolatum.The product was so successful that in 1903 Hyde opened a second office in Buffalo, New York, to handle sales and distribution east of the Mississippi River.In 1906, The Yucca Co. officially incorporated the name "The Mentholatum Company" after its flagship product and no longer sold soap.