Why do I have different colour/texture hair strands from natural hair?

I have fine medium brown wavy hair. But for years I have been finding some black, thick wiry hair strands too, which I usually pull out from the root. Does anyone know what these are and why I have them? Why do I have different colour/texture hair strands from natural hair?
Many people have more than one texture on their head. Nothing to worry about, IMO. You pull them out and they'll just grow back. Why do I have different colour/texture hair strands from natural hair?
i have those too, i don't think they're anything to worry about.


i don't really know why they're there, but if you're concerned about it, talk to your hairdresser or someone.

red hair