Shine, also known as “Seiso”, is the third step in the 5S method. The goal is to sweep or clean the workplace and use cleaning as a form of inspection. This can refer to the shop floor or the office as well hard drives.

For a better understanding of Shine and an overview of Lean Six Sigma, check out our Free Lean Six Sigma Yellow Belt Training, Green Belt Training or Lean Training.

Tracy O'Rourke

Tracy is a Managing Partner & Executive Advisor at She is also a Lean Six Sigma Green Belt Instructor at University of California San Diego and teaches in San Diego State University’s Lean Enterprise Program. For almost 20 years, she has helped leading organizations like Washington State, Charles Schwab and GE build problem-solving muscles.