Actor and stand-up comic Chris Rock hops around the world going from beauty salons to science labs to comb through the mystery of African American hair in director Jeff Stilson’s astute, hilarious documentary. Rock contemplates the purpose and application of a weave as well as women’s self-esteem and their locks. He also gains varying insights from Ice-T, Nia Long, Rev. Al Sharpton, Raven-Symoné, Maya Angelou and other celebrities.