Very strange. Maybe its environmental since you said this started after you moved to cali. I can’t make heads or tails of this. I can say some people are physically affected by environments theyre not used to when they move to a new area for the first time. For example my coworker experienced stuffy nose most of the time when she moved to usa. But nothing as severe as what you’ve described. Or maybe its stress from moving to an unknown land?
See a trichologist for sure. You may have an autoimmune disease where cells attack hair follicles. Did any of the derms you saw mention autoimmune disorders?
Dont give up and keep us posted. Make sure to stay away from negative people. Keep us posted.