It may sound strange to put henna (otherwise known as a green powder that smells like freshly cut grass) on your hair for several minutes, let alone a few hours, but there’s a method to this madness.

With almost one million subscribers on YouTube, Whitney White of Naptural85 shows off a variety of natural hair tutorials and product reviews on her page. Naptural85’s hair type is 4A and 4B in her ...