reno? i hope you mean renovateur and not renomat.
don't use saphir renomat on cordovan if you don't have to. i would start with a very diluted saddle soap from saphir. this will get most of the dye out, then use two applications of renovateur. then a neutral cordovan cream from saphir.
2005 Imola Red 330Ci ZHP- SOLD
2006 Sebring Silver S2000- SOLD :(
2007 Silver Gray M Coupe- SOLD :'(