Hair turns grey or white due to the progressive loss of melanocyte stem cells in hair follicles
the verdict
SUPPORTED
the evidence backs this
confidence 92/100
Scientific evidence consistently supports the mechanism that hair turns grey or white due to the progressive loss and defective maintenance of melanocyte stem cells within hair follicles.
Evidence for · 3
Mechanisms of Hair Graying: Incomplete Melanocyte Stem Cell Maintenance in the Niche
2005 · cited by 627
Demonstrates that hair graying is caused by defective self-maintenance and depletion of melanocyte stem cells within the hair follicle niche.
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More for · 2
Melanocyte stem cells: a melanocyte reservoir in hair follicles for hair and skin pigmentation
2011 · cited by 263
Explains that melanocyte stem cells serve as the vital reservoir for hair pigmentation and links their depletion to hair greying.