Papers:
CBD and hair growth
https://publications.sciences.ucf.edu/cannabis/index.php/Cannabis/article/view/78/47

Cannabis detection in hair shafts:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5396143/

Hemp vs Marijuana
https://cbdorigin.com/hemp-vs-marijuana/

Videos:
Wnt pathway:
SM04554: https://youtu.be/HBCxY8PnLZ8
KY19382: https://youtu.be/P9pYHfYaqME

source