I used to shower cold. I mainly do luke warm and then finish off cold.

Showering in the gyms messed me up because they only have one temperature and it’s really hot so it messed up my gauge. I think cooler water is better in general too, not sure about the moisture stuff itself but I found myself itching less in winter after doing so. I also used to be afraid of stepping out of the shower because of the cold and it feels just fine now.