Audio and video pronunciation of Johanna brought to you by Pronounce Names (http://www.PronounceNames.com), a website dedicated to helping people pronounce names correctly.
One of the best known vitamins for hair growth is a B-vitamin called biotin. Studies link biotin deficiency with hair loss in humans (5). Although biotin is used as an alternative hair-loss treatment, those who are deficient have the best results.
Vitamins for Your Hair By: Dr. George Obikoya. Healthy hair is not only a pleasure to behold, it is pleasing to the person that has it. A single follicle on the human scalp produces approximately .35 millimeters of hair shaft per day.