The German playmaker landed at 4.42pm on Thursday and is set to become Liverpool's second major signing of the window after they also scooped Frimpong from Leverkusen.
The defender, who broke through in Jurgen Klopp's final season but struggled to back it up in the following campaign, is high on Bayer Leverkusen's shopping list to replace the outgoing Jonathan Tah.
The 21-year-old was one of the hottest prospects of the transfer market, with rivals Manchester United and Liverpool both thought to have circled the player on the heels of a successful season at Lyon.
ALEX BYWATER IN DUBLIN: From Quinta do Lago to the Aviva Stadium, the sun has followed the British & Irish Lions around since Andy Farrell's squad first met up in Richmond on May 18.
Florian Wirtz has taken off from Cologne Bonn Airport to fly to Liverpool ahead of his over £100million deal to join the Reds as the second blockbuster signing of their transfer window.
In the Court of Arbitration for Sport's final judgement it was confirmed that the Frenchman did inadvertently take DHEA, a substance that boosts testosterone that is on WADA's banned list.
Liverpool fans have mocked Trent Alexander-Arnold after his debut for Real Madrid, reveling in their former star's difficult outing at the Club World Cup after his bitter exit.
