1.3 - Cuticle, Cortex and Medulla. What they do and why you should care. ➿➰- MRB Course
This lesson talks about the three structural layers of Black Hair, what their function is, and how they are affected by your hair care routine. The three layers discussed are the Cuticle, Cortex, and Medulla. coilsandglory.com

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1.2 - Black Hair Science - Curly Hair Under The Microscope 🔬- MRB Course

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