Wherever there's an article about human hair weaves, there's a mention of Indian human hair. Why is that?
First off, it's important to realize that "Indian human hair" refers to hair from the heads of people living on, or descended from, the Asian subcontinent of India. While many of the factors that make Indian human hair attractive to salon professionals and human hair weave designers are also found in Native American hair, there simply isn't a market in the United States among people of "First Nations" descent, anywhere in North America. In both China and India, human hair is a business -- women grow their hair extra long and sell it to make extra money.
But why India and China? Why not Lithuania or Greece or Indonesia? What's different about Chinese and Indian human hair, and why is it so often used in hair weaves and extensions?
The answer is simple: The physical qualities of Indian hair make for better hair extensions.
Indian human hair is straight. It's much easier to curl hair than it is to relax it. The natural straightness of Indian hair makes it a viable candidate for any kind of treatment. Even European straight hair can sometimes have a slight wave that'll confuse the alteration process and give results different from what you might expect. Indian hair and Chinese hair are more "truly" straight.
Indian human hair is coarse, but not too coarse. It's coarse enough to hold color or the chemicals that add a curl or wave. But smooth enough to remain appealing.
Indian human hair is completely monochromatic. You might think that because it's black, Indian hair is harder to work with, since dyeing it means bleaching it first -- and potentially damaging it. But you'd be wrong. What makes Indian hair so versatile is not the color itself, but the fact that it's the same color through and through, with no natural highlights to confuse the coloring process.