Can gray hair be reversed? Science answers
Gray hair appears when melanocytes—cells responsible for producing melanin, the pigment that gives hair its color—stop functioning properly. This occurs mainly due to:
Natural aging: Over the years, melanocytes produce less melanin.
Chronic stress: Increases cellular wear and tear and accelerates color loss.
Genetic factors: Influence the age at which gray hair begins to appear.
Nutritional deficiencies: Low levels of vitamin B12, copper, or iron can contribute to its appearance.
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