Richards Repro

cleaning austrian repro cavalry helmet and breast plate armor?

hello i wanted to know i have a repro austrain curassier helmet and armor breast plate
and i wanted to know what kind of leather cleaner would be proper and safe that will not
hurt the leather helmet and leather straps on the armor breast plate so they don’t get
dried out or dry roted any info on the type of cleaner i would be greatful for
Thanks Richard K

Saddle soap and neet’s foot oil.