OMG he is tooo cute. And what personality.
Blended Beauty makes a line for kids called Blended Cutie. This is a line made for multi-racial folks. You can check out the site http://www.blendedbeauty.com/products-kids.html
They have sample kits that you can get depending on hair type also. You can see before and after pics of how the hair looks when using their products.