A member asked:

How often should i use a hair serum?

A doctor has provided 1 answer
Dr. Robert Killian answered

Specializes in General Practice

Unanswerable: I am sorry but you failed to tell us what product or kind of hair serum you are using. Second, did a physician recommend this? What are your symptoms. This is what we can help with, your symptoms.

Answered 9/12/2013

4.9k views

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