Question:
From what I understand the source given for one refraining from cutting hair on Rosh Chodesh is the Tzavvah of Rabbi Yehudah Hanassi, and the reason being a Skannah... What exactly is the assumed Skannah of cutting hair specifically on Rosh Chodesh?
Answer:
I don't know, alot of the things that he says there are based in kabalah.
Hatzlocha