American crew makes some of the best hair products for guys. They make several creams which is great for straightening hair but that's not what you want to do. They do make leave in conditioner and gel spray which in combination should give you the soft feel but also do the trick for holding those soft curls. This stuff also smells like man and is very sexy if you ask me.
Why do you need product? De-frizz, moisturizing, what are you looking for?
For curly hair generally, I'd recommend scrunching hair with a little pomade while it's still wet. But if you're looking for something besides basic curl care, say so so we know what options we should be giving!
I find using hair conditioner as a styling product is great - put it on after a shower when you style your hair - and it leaves your hair soft and smooth and gives moderate matte hold, if you use too much and can get crunchy though - just use small amounts