At a push Mr Plackaert would tolerate a short beard or if, in the middle of a hard classics season, his riders were simply too exhausted to shave.
However, any rider planning on growing a full bushy beard or an ignoring the rule would have to find another team, he said.
Sport Vlaanderen-Baloise race at the Professional Continental level, the second division of road race cycling when given wildcards at higher level road races as well.
The team is a Belgian sporting institution and has a reputation for talent spotting the best young Dutch-speaking talent and giving them their first professional contracts.
At the end of each season, many of its young cyclists join leading professional teams riding in the first class World Tour events.
Mr Planckaert singled out the full beard of German Tour de France rider Simon Geschke as an example of unacceptable facial hair. The winner of the Tour, Chris Froome, is clean-shaven.