there is evidence that it will impair recovery. There was a study done on grip I think. The arm that had cryotherapy afterwards gained less strength and mass than the arm that did not.
I will look for the reference.
The feeling was that a certain amount of inflammation is necassery for gains. and that frequent use will decrease gains.
The consensus amongst people I have spoken to however is that can still be used after the most intense trainings or after a game if there is one game per week that the body gets destroyed in… so after the rugby game or after the most intense session of the week or the month where oedema and or injury is a risk…