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The Causes of Hair Growing in White in a 22-Year-Old

Updated April 17, 2017

Despite the general consensus, white hair isn't always related to age. Premature greying can occur in teenagers and young adults. Primarily, hair is white. A pigment in the cells called melanocyte gives hair colour. The more melanocyte there is, the darker the hair colour will be. This is what creates blond or brunette hair. In old age, the body produces less melanocyte, producing grey hair. However, there are many reasons for grey hair in young adults.

Genetics

The director of the Center for Dermatology, Cosmetic, and Laser Surgery in Mount Kisco, N.Y., reports premature greying is predetermined by genetics. If your parents had premature greying, you will most probably also have premature greying. A person's genes determine when the production of melanin in the body stops. When melanin decreases, the colour pigments in the hair also decrease, causing grey hair.

Vitamin Deficiency

Malnutrition and vitamin deficiency, mainly B-12, also contribute to premature greying. B-12 is necessary for hair colour. Sometimes the lack of B-12 is a symptom of a concealed disease, usually pernicious anaemia. In pernicious anaemia, the body becomes unable to absorb B-12, hence turning the hair grey. The lack of vitamins E, C, A, B-6, niacin and biotin are linked to grey hair. Your diet should be rich in protein, milk, egg yolks, whole grain cereals and vegetables.

Smoking

A 1996 study published in the "British Medical Journal" proposes a direct link between smoking and premature greying. Although it isn't medically proven, a survey conducted by Dr. J. G. Mosley shows smokers grey much quicker than nonsmokers.

Thyroid Stimulating Hormone

When the thyroid gland isn't able to produce enough thyroid hormone, a condition called hypothyroidism occurs. According to the University of Michigan Health System, premature greying is a side effect of hypothyroidism. Other symptoms include dry skin, brittle nails, fatigue and constipation. It can be diagnosed by a thyroid ultrasound or a thyroid scan.Thyroid hormone is available in some health stores, but you should talk to a doctor before taking medicinal supplements.

Treatment

If your hair is greying prematurely, consult your doctor on the conditions that can cause this. Otherwise, try some home remedies. Try massaging Indian gooseberry, almond oil and a few drops of lemon juice into your scalp on a nightly basis. The intake of curry leaves, butter from cow's milk and vitamins may help counteract premature greying.

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About the Author

Sasha Melba is a California native who has been writing since 2002. Melba writes for magazines, newspapers and websites on various topics including fashion, makeup and cooking. She also has worked for Golden West Books as a copy editor and at "The Irvine Herald" as a writer.