He admired Gracchus Babeuf and Philippe Buonarroti and was influenced by the writing of the utopian communist Étienne Cabet.
Dézamy was arrested but in 1840, he was free and collaborated with Jacques Pillot and others in organising the first communist banquet at Belleville.
Instead of hoping for reforms from a benevolent monarch, workers should support a revolution and the establishment of a unitary, centralised, egalitarian republic.
He envisaged a republic of federated communes, each comprising about 10,000 people and combining industrial, agricultural and cultural work.
Dézamy combined this social system with militant anti-clericalism, atheism and a materialist metaphysics derived from d'Holbach.
Dézamy also launched a new journal, Les Droits de l'Homme, with the slogan: 'Liberty, Equality, Fraternity, Association, Alliance of Peoples'.