HAHAHAHA I just watched that video for the "instructions" and this product is so BLATANTLY marketed towards white moms with biracial kids or white moms with adopted ethnic kids that doesnt have A CLUE how to do hair. they made it look like giving a perm was a science fair project!
3c in front/rest is 4a, i would probably say i am a pretty even mix, with some confused patches in the crown region