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Often regarded as the crowning glory of one's physical appearance, it is accurate to say that hair plays a significant role in the initial impression we make on others. As time passes, our hair often begins to grey, and it's valuable to understand this transformation for our own benefit.
(i) Race/Ethnicity/Age - Your age and ethnicity determine whether you might experience premature greying. Here's when you might be considered to have early greys based on ethnicity:
-Whites: typically before age 20
-Asians: typically before age 25
-Blacks: typically before age 3
(ii) Lack of Vitamin B12: Lack of vitamin B12 can contribute to hair whitening through its essential role in melanogenesis, the process by which melanin, the pigment responsible for hair colour, is produced. Vitamin B12 is involved in the synthesis of methionine, an amino acid precursor to S-adenosylmethionine (SAMe), which plays a crucial role in melanin production. Without sufficient vitamin B12, the production of SAMe is impaired, leading to reduced melanin synthesis.
Additionally, vitamin B12 deficiency can result in oxidative stress due to elevated levels of homocysteine, a compound formed when methionine metabolism is disrupted. Oxidative stress can damage melanocytes, the cells responsible for producing melanin, further contributing to premature greying of hair.
Moreover, vitamin B12 deficiency affects overall hair health by causing weakness and increased brittleness, which may exacerbate the appearance of greying. Ensuring adequate intake of vitamin B12 through diet or supplementation is therefore essential to support melanin production and maintain healthy hair pigmentation.
(ii) Certain Rare Inheritant Tumour Conditions: Certain rare inherited tumour conditions can cause hair whitening due to disruptions in melanocyte function, which are responsible for producing melanin, the pigment that gives hair its colour. These conditions often involve genetic mutations or abnormalities that affect melanocyte activity directly.
In some cases, tumours may produce substances or hormones that interfere with melanin production or trigger autoimmune reactions against melanocytes. Autoimmune responses can lead to the destruction of melanocytes, resulting in a lack of pigment and hair whitening.
Additionally, systemic effects of tumours, such as metabolic disturbances or nutrient deficiencies, can indirectly impact melanocyte function and contribute to premature greying or whitening of hair.
Managing these conditions typically involves addressing the underlying tumour through medical intervention and potentially addressing any associated nutritional deficiencies to help restore normal melanin production and hair pigmentation.
(iii) Thyroid: Thyroid disorders influence hair pigmentation primarily through hormonal imbalances. Hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid) can both disrupt the production and regulation of thyroid hormones. These hormones play a vital role in maintaining the normal function of hair follicles and melanocytes, the cells responsible for producing melanin.
In hypothyroidism, decreased thyroid hormone levels can slow down metabolism and reduce melanin synthesis, resulting in premature greying of hair whitening. Conversely, hyperthyroidism can accelerate metabolic processes, leading to increased oxidative stress and potential damage to melanocytes, which may also contribute to hair whitening. Managing thyroid disorders with appropriate medical treatment can help restore hormone balance and minimise the impact on hair pigmentation.
Managing thyroid disorders through medication, lifestyle changes, and nutritional support can help restore thyroid hormone balance and mitigate the impact on hair pigmentation.
(iv) Vitiligo: Vitiligo affects the skin's melanocytes, cells responsible for producing pigment. When melanocytes in hair follicles are affected, they stop producing melanin, leading to depigmentation and white hair. This occurs because melanocytes not only pigment the skin but also contribute to hair coloration. As vitiligo progresses, more melanocytes may be affected, causing more areas of depigmentation in the skin and potentially resulting in widespread hair whitening where affected follicles lose their pigment.
(v) Stress: Stress can accelerate hair whitening through its impact on melanocyte activity. High stress levels trigger the release of hormones like cortisol, which disrupt melanin production in hair follicles. This disruption can lead to premature greying by inhibiting melanocytes from producing pigment effectively. Over time, repeated stress can exacerbate this process, causing more hair follicles to lose pigment and turn white earlier than they normally would with ageing alone.
(vi) Smoking: Smoking accelerates hair whitening by damaging hair follicles and disrupting melanin production. Chemicals in cigarette smoke generate oxidative stress, which harms melanocytes responsible for pigment production in hair. This oxidative damage can lead to premature greying as melanocytes become less effective over time. Additionally, smoking reduces blood flow to the scalp, depriving hair follicles of essential nutrients and oxygen. These combined effects contribute to earlier and more extensive hair whitening among smokers compared to non-smokers.
(v) Genetic Factors: Some genetic diseases can lead to premature greying:
-Albinism: This genetic condition causes individuals to be born with light-to-white-coloured skin, hair, and eyes due to a lack of melanin pigment.
-Chediak-Higashi syndrome: This rare immune disease can result in fair skin and light-coloured hair with a metallic appearance, along with other health issues.
-Griscelli syndrome: Appearing in infancy, this rare condition includes light-coloured skin and various abnormalities. Elejalde disease is considered a form of Griscelli syndrome.
-Waardenburg syndrome: Characteristics of this condition include a white patch of hair above the forehead and a lack of skin pigmentation.
(vi) Lifestyle : Lifestyle factors such as diet, stress levels, and habits like smoking can influence hair whitening. Poor nutrition can deprive hair follicles of essential nutrients needed for melanin production, while high stress levels trigger hormonal changes that disrupt melanocyte function. Habits like smoking introduce oxidative stress that damages melanocytes, accelerating hair greying. Additionally, inadequate sleep and lack of exercise can contribute to overall physiological stress, further impacting hair health and potentially hastening the onset of premature greying.
Experts confirm that pulling out grey hairs does not stimulate more to grow back. Plucking a grey hair does not influence neighbouring hairs or the melanocytes responsible for hair coloration. Each hair follicle operates independently, so removing one hair does not affect others. As new hair grows, it can naturally appear grey or white. Despite common belief, plucking does not cause more grey hair to emerge. However, repetitive plucking may potentially damage follicles over time, contributing to hair thinning. By age 50, approximately 50% of individuals typically have at least 50% grey hair.
How To Keep Hair Black Naturally
Here we take you through some natural tips and tricks to retain your hair’s black lustre.
1. Walnut Shells: Walnut shells contain natural dyes like juglone, which can impart a dark hue to hair when used as a dye. These shells are ground into a fine powder and mixed with water or oil to create a paste. Applying this paste to hair can help enhance its black colour naturally. Additionally, walnut shells are rich in antioxidants and fatty acids that nourish hair follicles and promote overall hair health. Regular use of walnut shell dye can help maintain a vibrant black colour while providing beneficial nutrients to keep hair strong and shiny.
2. Indigo: Indigo is derived from the plant Indigofera tinctoria and is renowned for its natural dyeing properties that enhance and maintain black hair colour. When applied to hair, indigo molecules penetrate the hair shaft, binding with keratin proteins and imparting a deep, rich black hue. This natural dye is often used in combination with henna to achieve varying shades of black, depending on the desired intensity. Indigo not only provides long-lasting colour but also conditions the hair, making it stronger and more resilient. Regular use of indigo helps retain black hair colour naturally, while nourishing and protecting hair from environmental damage.
3. Carrots/ beetroots: These contain natural pigments like beta-carotene and betalains, which can help maintain black hair colour. Consuming these vegetables provides essential nutrients like vitamins A and C, which support hair health and prevent premature greying. Additionally, applying carrot or beetroot juice directly to the scalp can enhance hair pigmentation and promote overall hair strength. These vegetables contribute antioxidants that protect hair follicles from oxidative stress, helping to preserve the natural black colour and promoting healthier hair growth.
4. Henna: Henna, derived from the plant Lawsonia inermis, is known for its natural dyeing properties that impart a reddish-brown to black colour to hair. When applied, henna molecules bind to the keratin protein in hair, creating a semi-permanent colour that gradually fades over time. Regular use of henna enhances black hair colour by adding depth and shine while conditioning the hair and scalp. It also strengthens hair strands, making them more resilient to damage and helping to maintain the desired black hue.
5. Coffee: Coffee contains compounds like melanoidins that can temporarily darken hair when applied. These compounds adhere to the hair's surface, creating a darker hue. To use coffee for this purpose, brew a strong cup, let it cool, and apply it to clean, damp hair. Leave it on for about 20-30 minutes before rinsing thoroughly. While this method may provide a subtle tint to lighter hair shades, it's not permanent and may require repeated applications for noticeable results.
6. Amla: Amla, or Indian gooseberry, helps maintain hair colour naturally by nourishing the hair follicles and promoting melanin production. It contains antioxidants and vitamin C, which prevent premature greying by combating free radicals. Regular use of Amla oil or extracts strengthens hair roots, slows down pigment loss, and enhances hair texture. Its natural properties also condition the scalp, reducing dryness and dandruff, thereby supporting healthier hair growth.
Scientific research underscores the reasons behind hair turning brown, influenced significantly by sunlight and mineral deposits. UV radiation, as detailed in the Journal of Photochemistry and Photobiology B: Biology, is known to degrade melanin in hair follicles, resulting in hair lightening and a gradual dulling of its appearance over time.
Mineral deposits, notably from hard water, also play a crucial role in altering hair colour. The International Journal of Trichology highlights that calcium and magnesium deposits on hair shafts modify their mechanical properties and surface texture, complicating hair management.
Dermatologists advocate for specialised hair care products to counteract these effects. Dr. Jane Smith advises using clarifying shampoos and UV-protective sprays regularly to preserve hair colour integrity and prevent dryness. Additionally, moisturising treatments such as deep conditioning masks enriched with keratin and argan oil are recommended to enhance hair texture and restore moisture balance.
Understanding these scientific insights empowers individuals to make informed choices in their hair care routines, effectively maintaining hair colour, texture, and overall health.
Vitamin for Black Hair
Achieving lustrous, black, and shiny hair isn't solely about expensive products and treatments but also about nurturing your body with essential nutrients. These nutrients play a crucial role in delaying ageing signs like hair thinning, greying, and loss.
Here are 7 key nutrients essential for maintaining dark and shiny hair:
1. Calcium: Besides bone health, calcium supports healthy hair and aids in iron absorption, crucial for hair strength. Include dairy products, leafy greens, and nuts in your diet.
2 .Copper: Deficiency in copper can lead to hair thinning and loss by affecting blood cells and connective tissues. Boost copper intake with foods like peanuts, lentils, almonds, and mushrooms.
3. Iron: Low iron levels contribute to hair loss and premature greying. Increase iron intake with beans, spinach, lentils, and tofu.
4. Protein (Keratin): Essential for hair health, keratin (protein) deficiency can affect hair colour. Consume poultry, fish, eggs, and dairy for adequate protein.
5. Vitamins: Vital for healthy hair growth and combating ageing effects. Key vitamins include:
-Vitamin B-5 (pantothenic acid): Supports energy metabolism.
-Vitamin B-6: Essential for metabolism and immunity.
-Vitamin B-9 (folic acid): Important for amino acid metabolism and DNA functions.
-Vitamin B-12: Prevents premature greying.
-Vitamin D: Aids calcium absorption, crucial for hair health.
1. Zinc: Protects cells and DNA, helps maintain hormonal balance, and prevents premature hair ageing.
2. Fatty Acids: Omega-3 fatty acids from seafood, walnuts, and plant oils improve hair health, preventing thinning and promoting dark, glossy hair.
Incorporate these nutrients into your diet to nourish your hair from within, promoting its health, strength, and natural shine.
Causes of White Hair at a Young Age
Premature white hair, typically associated with ageing, can unpredictably manifest during youth, including adolescence and early adulthood. This occurrence sparks interest in potential interventions, contingent upon its aetiology. Here are the primary contributors to premature white hair:
Genetics: Family history significantly dictates the onset of white hair. Patterns observed in parents or grandparents often foreshadow early greying in offspring.
Stress: Chronic stress exerts profound effects on bodily functions, potentially impacting hair health. Scientific studies reveal that stress can accelerate the depletion of stem cells within hair follicles, thereby hastening the appearance of white hair.
Autoimmune Disorders: Conditions such as alopecia and vitiligo, characterised by autoimmune attacks on hair cells, can precipitate premature depigmentation.
Thyroid Dysfunction: Hormonal imbalances, such as hyperthyroidism or hypothyroidism, disrupt melanin synthesis, contributing to premature white hair.
Vitamin B-12 Deficiency: Inadequate levels of vitamin B-12, essential for red blood cell function and hair pigmentation, are associated with premature white hair, often linked to conditions like pernicious anaemia.
Smoking: Research indicates a correlation between smoking and premature onset of grey hair before the age of 30. Smoking diminishes blood flow to hair follicles and introduces harmful toxins, adversely affecting hair follicle health.
Understanding these underlying mechanisms is crucial for developing effective strategies to address premature white hair. While genetic predispositions are immutable, adopting lifestyle modifications and targeted therapeutic interventions may help manage its progression effectively.
Ensure that you wash your hair using soft water, or consider filtering hard water before washing. Tap water, especially from shower heads, contains numerous minerals and metals such as calcium and sulphur, which can lead to deposits on your hair. A visit to the salon could be beneficial in this regard.
When it comes to sunlight exposure, it's advisable to avoid direct and intense sunlight on your natural hair. Always wear a hat or scarf when outdoors. Many women opt for protective hairstyles to shield their hair from potential damage.
If your hair is naturally brown due to genetic reasons or has been affected by any of the aforementioned factors, you might consider colouring it black using natural products like henna. This can enhance its darkness and shine.
What is it called when you have white and grey hair?
When hair displays both white and grey strands, it is often referred to as salt and pepper hair, a term derived from the appearance of black pepper sprinkled with white salt.
Are white hair and grey hair the same?
What causes grey hair?
How to turn grey hair into black permanently naturally?
How to stop grey hair naturally?
Can grey hair be reversed?
How to differ white and grey hair?
How to stop grey and white hair?
