Yes, black hair requires very specific and specially formulated products then white hair, as the texture, roots, and form are completely different. White hair products would wreck havoc on black hair.
Depends on the texture and thickness of your hair. But more often then not you would not want to use black product as it would ruin fine textured hair.
Some products can be used by many hair types, but the vast majority are for one hair type or another.
Is there a difference?
Yes, black hair requires very specific and specially formulated products then white hair, as the texture, roots, and form are completely different. White hair products would wreck havoc on black hair.
What about the other way around?
Depends on the texture and thickness of your hair. But more often then not you would not want to use black product as it would ruin fine textured hair.
Some products can be used by many hair types, but the vast majority are for one hair type or another.