It appears that through the rigors of The Master Cleanse your body went out of metabolic and/or hormonal homeostasis.
I believe you must re-establish the balance before ther can be any symptom reversal. I would not waste my time and money in using any commercial products marketed for hair loss.
You may want to go to www.sensiblehealth.com and speak with Julia about the possibility of supplementing with some Chinese Herbs to improve your liver function. Make sure your MD and Julia both know about all medications and herbs you are using or planning to use.