It was in 1918 that the company Flôres e Couto was born in Porto, which years later (1931) came to be known as Couto, Lda. It is at this point that the management of the firm becomes the sole responsibility of Alberto Ferreira do Couto.
In 1932, Alberto Ferreira Couto created, with the help of a dentist friend, the "Medicinal Couto Paste" in order to combat the gum problems that were caused by syphilis. And that's how the "Medicinal Pasta Couto" quickly becomes in the company's best-known product.