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Why Blond Hair Often Darkens as Children Grow Up
Key Takeaways
- Blond hair can gradually darken into brown or black as children grow, often most noticeably around puberty.
- Hair color comes from melanin produced by melanocytes; eumelanin creates dark shades and pheomelanin adds yellow-red tones.
- Hormones such as estrogens and androgens can stimulate more eumelanin production, especially between ages 10 and 13.
- Genetics determine why some blond children darken while others remain blond, and scientists are still investigating the exact triggers.
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DT Editorial Team··via livescience.com