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Your hair is virtually indestructible.
credit: Erasmusu
Your hair is made of keratin, which is a protein that also forms your nails and skin. Keratin is very durable and resistant to heat, cold, water, and chemicals. Your hair can withstand temperatures up to 200 degrees Celsius (392 degrees Fahrenheit) without melting or burning. It can also survive for years after you die, as it doesn’t decompose easily. Your hair can reveal a lot about your health, diet, and lifestyle, as it contains traces of vitamins, drugs, or alcohol.
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