We introduced an exfoliation method of MoS₂ in a 3% solution of sodium dodecyl surfactant at high concentration (i.e. 2 g/L). The bulk MoS₂ was thinned by mechanical exfoliation between sand papers and the resulting powder was used to prepare dispersions by liquid exfoliation through probe sonication. The resulting dispersion consisted of very thin MoS₂ nanosheets in surfactant solution with average lateral size around 126 nm. This may be interesting for applications in inkjet printed electronics.