Protein is the building block of hair. You can get protein from fish, meat, milk, cheese, and cereals. Minerals like iron, zinc, copper are very essential elements for your hair. You can get these elements from vegetables, meat, milk, seeds, cereals, nuts etc.

Vitamin A will give you a healthy scalp. Vitamin B, C is important for bird circulation. You can get these vitamins from fruits, vegetables, eggs, milk and bread.

Tips For healthy hair:

A healthy lifestyle will mean healthier hair for you. Excessive stress, smoking, not exercising and not eating nutritiously are not healthy for your hair. Get enough sleep.

Avoid using hair styling products with alcohol which dries out hair.

Avoid putting hair styling products directly on your scalp; if you put it on your scalp you'll clog the pores on your head.

It is important to wash your hair, shampooing removes dirt, dead skin cells, hair oils, any hair products you may put into your hair.
You should wash your hair as often as you feel necessary to keep it clean, but a general rule is for oily hair you should wash it every day or every other day and for dry hair only wash it 2-3 times a week.

Shower with warm water, hot water can dry and/or irritate the scalp.

Comb your hair to remove any tangles before brushing it.

If you have only a mild case of dandruff, shampooing your hair with a regular shampoo daily or twice a day will usually do the trick.

Avoid sleeping with tightly braided hair or hair in a tight ponytail. The stress can cause breakage and/or hair loss.

Even if you plan on growing your hair out further you should trim your hair once every 3 months, if not split ends will cause your hair to break off and your hair will begin to lose its beauty, if you plan on just maintaining your length, a trim once every month and a half to two months should suffice.

Avoid excessive wind, sun, and heat (such as from hair dryers, hot showers, and curling irons) on your hair.

If you color your hair, limit coloring it to once ever 2 months. Hair coloring damages your hair and the less frequently you color it the better.

By taking these types of care, you can prevent hair loss. You should be able to get healthy hair, just taking small care.