1~3 times or 4 times, apply some cream after.
1.if he sweats a lots or have a big "poo poo", i will take hime for a bath at once.
2.after going out, (of course not just buy something within an hour)...
3.nightime
4.morning, if it is very hot
normally i turn on air-con at home in hot weather..for my son......because he sweats a lots without it