Chartreuse (liqueur) was not a secret but well known. At the death of the pharmacist, his heirs returned the manuscript to the monks who had been back at the Monastery since 1816. In 1838, they developed Yellow Chartreuse, a sweeter version of the Green Chartreuse, 40% alcohol liqueur (80° proof). The monks were again expelled from the monastery following a French law in 1903, and their real property, including the distillery, was confiscated by the government. The monks took their secret recipe to their refuge in Tarragona, Catalonia, and began producing their liqueurs with the same label, but with an additional label
Denis the Carthusian the fingers he had most used in writing, i.e. the thumb and forefinger of the right hand, were found in a perfect state of preservation. Although the cause of his beatification has never yet been introduced, St. Francis de Sales, St. Alphonsus Liguori, and other writers style him "Blessed"; his life is in the Acta Sanctorum of the Bollandists (12 March), and his name is to be found in many martyrologies. The great contribution of Denys the Carthusian was to synthesize all previous doctrine on the spiritual life and then to make an evaluation of the various conclusions. He wrote