How to grow NATURAL 4C Hair?- The Science of Black Hair Review Here I did a simple review of the 3 phases of Hair Growth. The more you know, the better your hair will be. Knowledge is Power The Science of Black Hair by Audrey Davis-Sivasothy Related posts: How To Make Natural Alopecia Treatment – Black Soap Shampoo – Alopecia Free What Is In Best Hair Products For African American Black Hair Growth? The Science of Black Hair: Basics of The Hair Growth Cycle 4C Natural Black Hair Journey- 4 Month Natural post Big Chop ( August 1 2013)