Hair Greying & Premature Greying
Hair greying occurs when hair follicles gradually produce less melanin, the pigment responsible for natural hair colour. While greying is a normal part of ageing, premature greying occurs earlier than expected and may be influenced by genetic, environmental, and medical factors.
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Possible Causes of Premature Greying
Genetic Predisposition: Family history is one of the strongest factors associated with early hair greying.
Oxidative Stress: An imbalance between free radicals and the body's antioxidant defences may damage pigment-producing cells in hair follicles.
Nutritional Deficiencies: Low levels of vitamin B12 and certain minerals, including copper, have been associated with premature greying. Associations with iron, ferritin, vitamin D, and other nutritional markers have also been reported.
Thyroid Disorders: Abnormal thyroid function may affect hair pigmentation and has been associated with premature greying.
Autoimmune Conditions: Conditions such as vitiligo may affect pigment-producing cells and cause localised whitening of hair.
Smoking and Lifestyle Factors: Smoking has been associated with premature greying. Psychological stress and other lifestyle factors are also contributory.
Certain Medications: Some medications, including specific chemotherapy agents and antimalarial drugs, may alter hair pigmentation.
Genetic or Metabolic Conditions: Premature greying can occasionally occur as part of certain inherited syndromes or metabolic disorders.
Assessment & Management
Evaluation includes reviewing family history, the onset and pattern of greying, lifestyle factors, and relevant medical history. Blood tests for thyroid function and nutritional assessments may be recommended when clinically indicated. Management focuses on identifying and correcting underlying deficiencies or medical conditions where present. Established genetic greying often cannot be reliably reversed, and treatment outcomes vary.
Key Takeaway
Evaluation includes reviewing family history, the onset and pattern of greying, lifestyle factors, and relevant medical history.
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Speak to an Armoraa dermatologist about your concern.
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