Hair colour usually changes as people get older. However, sometimes people get grey hair at a young age, even as a teenager. Our skin has many small hair follicles that make cells that give our hair its colour. These cells have melanin in them. Our follicles lose these cells when we get older, so our hair turns white or grey.
Causes of gray hair
Hair turning grey is not always related to age. There can be many other reasons why hair may turn grey.
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Your hair may turn grey early if you don’t get enough vitamin B-6, B-12, biotin, vitamin D, or vitamin E. In 2015, a report found that insufficient vitamin D-3, B-12, and iron can also cause grey hair. Scientists say that poor nutrition can affect the colour of your hair, but taking vitamin supplements can sometimes help turn it black again.
According to a 2016 study published in the International Journal of Trichology, young Asian men under 25 with low levels of serum ferritin (which stores iron) may experience premature greying of hair. The study also found that participants with low vitamin B12 and cholesterol H levels and a lack of DLC were more likely to experience premature greying.
Genetics play a significant role in premature hair greying, according to a 2013 report in the Indian Journal of Dermatology, Venereology and Leprology. Additionally, a person’s race can also affect when their hair starts turning grey. The same study found that white people may start greying around age 20, Asians around age 25, and African Americans around age 30.
The troubles of life
There are conflicting studies about whether life stress or trauma can cause premature hair greying. A study from New York University suggests that stress can quickly cause the loss of cells responsible for hair colour.
Curry leaves have been used for medicinal purposes for centuries. One traditional use is mixing them with hair oil and applying them to the scalp to reduce premature greying. The International Journal of Pharm Tech Research published a report on using curry leaves to maintain dark hair colour and prevent premature greying.
There is a herbal supplement that can prevent premature greying by increasing pigmentation. This supplement contains Amla, which is rich in antioxidants and anti-ageing properties. It is available in powder or supplement form and can be mixed with coconut oil and applied to the scalp.
Black tea can improve the appearance of hair by making it dark, shiny, and soft. Stray 3 to 5 tea bags in 2 cups of boiling water, let it cool, and massage into clean, wet hair. You can alternatively mix the tea with conditioner, apply it to the hair for 1 hour, and then rinse it off.
People believe that castor oil can help prevent hair from turning grey. Moreover, zucchini is known to restore hair pigment and stimulate hair roots.