Kouros Silver by Yves Saint Laurent Cologne. Men in search of a modern cologne need to get Kouros Silver by Yves Saint Laurent. Although this fragrance was released in 2015, it is based on an older cologne from the brand house that came out in the 1980s. This fragrance is meant for the summer season, and once you smell the composition for yourself, you will see why. Notes of apple begin the composition, and this leads into a more aromatic center consisting of sage. Amber and woody notes make up the base.