Eating adequate protein is important for hair growth because hair follicles are made of mostly protein. A lack of protein in the diet has been shown to promote hair loss ( 1 ). … Research has also shown that consuming more biotin can help improve hair growth in people with a biotin deficiency (2).
Can too much protein affect hair growth?
If you’re eating a diet high in protein, you may have cut out or drastically limited your intake of foods like carbohydrates. When you deprive your body of certain foods, it can cause nutritional deficiencies that may lead to hair loss.
Does protein build hair?
Just like your body, your hair needs protein in order to stay healthy. If your hair feels limp or weak, it may be a sign that your hair needs a protein treatment. Protein treatments boost the hair with a variety of nutrients and proteins to help reconstruct and strengthen hair strands.
How long does it take to grow hair 12 inches?
How long does it take to grow long hair? According to the CDC, scalp hair grows an average of one-half inch per month. If your hair is two inches long and you’re aiming for shoulder length (about 12 inches) growth, that adds up to a little less than two years to reach your goal.