Eyelashes turn white primarily due to aging, although other factors can contribute as well.
Here's a breakdown:
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Aging: As we age, pigment cells (melanocytes) in the hair follicles gradually decrease their production of melanin, the pigment responsible for hair color. This leads to graying or whitening of hair, including eyelashes. The reference states "Most people have white eyelashes as a result of aging".
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Genetics: Just like with hair color, genetics can play a role in when your eyelashes might start turning white. Some individuals are predisposed to experiencing this change earlier in life.
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Health Issues: Certain health conditions can also contribute to the loss of pigment in eyelashes. The reference states "White eyelashes may be a sign of a health problem that needs treatment".
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Smoking: Smoking is another factor that can lead to premature graying or whitening of hair, including eyelashes. The reference states "Other causes like genetics, some health issues, and smoking can also cause white eyelashes".
Therefore, while aging is the most common reason, it's important to consider other potential causes, especially if the change is sudden or occurs at a young age. The reference states "Finding the cause of your white eyelashes is key for health and cosmetic reasons."
