Up to one year: Once your thyroid level is back to normal, it can take 6-12 months for your hair to grow out fully, depending upon the length. The hair contains defective protein that can still break off until it grows out fully. Make sure you are receiving brand name replacement and your levels are normal.
Answered 10/22/2020
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
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