Need a cure for the Monday blues? Spring into action with Chanteclair! According to this 1920s advertising poster, a topical application of Chanteclair not only relieves aches and pains but also “fortifies” and “electrifies.” This guy is off to shock the folks at the office, in more ways than one!

L’Embrocation Chanteclair,” c. 1920, by Michel Liébeaux