Does dry skin break wudu? (Repeat)

This is a copy of another question I deleted. That question was unclear and when edited it seemed nobody got to see the edited version. Therefore, here is a more clear version: Basically I done wudu and prayed my namaz zuhr and asr. After this I looked in the mirror and realised I had dry skin on my nose. I went to the bathroom washed the dry skin and realised after that it returns to its dry state and nothing changes.So it seems that I shed skin and then new skin is exposed that has no water on it. I don't know if this has happened before the wudu or after so is my wudu invalid? If so what should I do with my Zuhr and Asr prayer?