Hair extensions made from human hair can be dyed a darker color, styled with hot tools (curled or straightened), washed frequently, and treated just like you would your own natural hair.
On the other hand, hair extensions made from synthetic hair are sensitive to the sun, are difficult to style and blend with your own hair, and typically don’t have the same lifespan as human hair extensions do. Human hair extensions can last up to a year or longer if they are properly cared for.