“Shaving one’s hair could explain a Gemara that Kimhi merited to have 7 sons be Cohanim Gedolim in the Beis HaMikdash”
That’s very nice but some of them must have died young if they were all Kohanim Gedolim and there can only be one at a time….
I was told that the reason was originally instigated to protect the woman and only afterward did they come up with all the reasons stated above. According to what I was told, it was started as a result of the pogroms. In a pogrom, the gentiles would try raping the women but when they would remove a woman’s turban and discover her head was shaven, they would sometimes be turned off.