Hair loss in a dream often reflects a felt loss of vitality -- energy, attractiveness, or youth you're afraid is slipping away. It can surface during a period of real vulnerability, when you're worried about how visibly you're aging or how much control you actually have over that process.
If possible, the planets must be reinforced with a fixed star from the same nature, because it concentrates the power of the influx and the duration of the work. - Picatrix (Andalusia, ~1000.AD)