The Ligue 1 giants were left sweating on the fitness of the star duo after both men were forced off during the recent international break.
Neymar was taken off with a suspected groin problem just minutes into Brazil's clash with Cameroon, while Mbappe sustained a shoulder knock against Uruguay.
PSG have a tough run of games coming up including a crunch Champions League tie with Liverpool on November 28.
However, positive updates have been issued on both Neymar and Mbappe, much to PSG's relief.
Neymar took to his official Instagram account on Wednesday to write: "Thanks to everyone who sent me messages wishing a good recovery, I think it was nothing serious."