The German FA is investigating allegations of racism in Friday's Bundesliga match between Union Berlin and Bayer Leverkusen.
Substitute Cedric Teuchert scored an 88th minute winner as Union Berlin stunned Bayer Leverkusen 1-0 on Friday to climb to fourth place.
"We will not start chasing our players and ask them whether their wives are barbers," a Union Berlin spokesperson said.
The German Hairdresser Association has asked the German Football Association (DFB) why footballers have taken to the pitch with fresh haircuts.
Borussia Dortmund's teenage striker Youssoufa Moukoko became the youngest player to score in the Bundesliga in a 2-1 loss to Union Berlin.
Champions Bayern Munich had to come from a goal behind for the fifth consecutive league game to rescue a 1-1 draw at Union Berlin.
Striker Krzysztof Piatek scored twice in three minutes as Hertha Berlin came from a goal down to beat 10-man Union Berlin 3-1 in the capital's Bunde
Hertha Berlin and Union Berlin have only ever played twice in the Bundesliga, but the rivalry is deeply rooted in the history and makeup of Berlin.
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