St tropez self tan express advanced bronzing mousse is st tropezs most advanced nofuss formula yet for a light sunkissed glow in just 1 hour or leave on for up to 3 hours for a deep dark bronzechoose the depth of your tan by choosing when to shower 1 hour development light 2 hours development medium 3 hours development darkdirectionsstep 1 the day before you tan exfoliate for a clean canvasstep 2 immediately before applying your tan moisturise elbows knees ankles feet and the hairline