I use both to be quite honest, and I'm very pleased with my grooming regime. Small Brandless Curry Comb
(like this: http://www.amazon
I find that it works on all skin types and releases dirt and dead hair better from the coat than other types of curry combs... except it's not as good with winter coats. Straw Dandy Brush
Again, brandless, it's just a pinestraw stiff brush... much like this: Equine Editions Dandy Horse Brush with Molded Plastic Handle - Horse Brushes | Gardening Supplies, Gardening Tips, Gardening Ideas Synthetic Oster Soft Bristle
Go over and sweep all the left over dust and dirt off. Horse Hair Oster Soft Brush
I go over with this after everything, and it gives a gloss like you wouldn't imagine. It has been, I've found, unattainable to get any other way. Rag it off!
Then I'll usually spray on my WOW! Whitener stuff and wipe the entire horse down. Your horse will be super soft and super shiny. I even do this with horses I don't use the Wow!Whitener on, and it just gets more dirt and yuckies off.