How to Grow Hair Faster: Some Tips for Growth

White hair happens when your hair follicles lose melanin, the pigment that gives your hair color. If your hair is turning white at a younger age, it could be caused by genetics or an underlying health condition.

Is white hair normal?

It’s not uncommon for your hair to change as you get older. As a younger person, maybe you had a full head of brown, black, red, or blonde hair. Now that you’re older, you may notice thinning in certain areas of your head, or your hair may change from its original color to gray or white.

Your body has hair follicles, which are small sacs that line skin cells. Hair follicles have pigment cells known as melanin. These cells give your hair its color. But over time, hair follicles can lose pigment, resulting in white hair.
What causes white hair at a young age?

White hair is more noticeable in people with a darker hair color. Although white hair is characteristic of aging, colorless hair strands can appear at any age — even while you’re still in high school or college. If you’re a teenager or in your 20s, you might find one or more strands of white hair.
There could be ways to restore pigmentation, but it depends on the cause. Here are common causes of premature white hair.
۱. Genetics
If you notice white hair at an early age, it’s likely that your parents or grandparents also had graying or white hair at an early age.
You can’t change genetics. But if you don’t like the way your gray hair looks, you can always color your hair.

۲. Stress

Everyone deals with stress from time to time. The consequences of chronic stress can include:

• sleep problems
• anxiety
• change in appetite
• high blood pressure
Stress can also affect your hair. A 2013 studyTrusted Source found a connection between stress and a depletion of stem cells in the hair follicles of mice. So if you’ve noticed a rise in your number of white strands, stress might be the culprit.

۳. Autoimmune disease

An autoimmune disease can also cause premature white hair. This is when the body’s immune system attacks its own cells. In the case of alopecia and vitiligo, the immune system can attack hair and cause loss of pigment.

۴. Thyroid disorder

Hormonal changes caused by a thyroid problem — such as hyperthyroidism or hypothyroidism — may also be responsible for premature white hair. The thyroid is a butterfly-shaped gland located at the base of your neck. It helps control many bodily functions such as metabolism. The health of your thyroid can also influence the color of your hair. An overactive or underactive thyroid can cause your body to produce less melanin.

۵. Vitamin B-12 deficiency

White hair at an early age can also indicate a vitamin B-12 deficiency. This vitamin plays an important role in your body. It gives you energy, plus it contributes to healthy hair growth and hair color.
Can white hair be prevented?
The ability to reverse or prevent white hair depends on the cause. If the cause is genetics, there isn’t anything you can do to prevent or permanently reverse the color change.
If you suspect a health problem, consult a doctor to see if an underlying condition is responsible for white hair. If you treat the underlying health problem, pigmentation may return, but there are no guarantees.
According to one studyTrusted Source, if a thyroid problem causes white hair, re-pigmentation may occur after hormone therapy treatment. Taking vitamin B-12 shots or pills to correct a deficiency may also improve the health of hair follicles and return your natural color. If white hair occurs as a result of stress or smoking, there isn’t evidence to support the return of pigmentation after quitting smoking or reducing stress.