I have used several different ones that work pretty good. Right now, I'm using Blackfire Tire Gel. But I'm sure there are one's that are just as good. It seems to last a little longer. From two to three weeks with washing. Very VOC compliant. No butyl of any kind, no alcohols and no petroleum distillates. It will not eat up foam applicators. GGalen,
I am with you on the semi-gloss..What product do you like the best?