April 2026 in “Indian Dermatology Online Journal” This study found that individuals with premature graying of hair in India had significantly lower levels of serum ferritin, vitamin B12, and vitamin D3 compared to controls.
16 citations
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January 2018 in “International journal of trichology” This study observed that individuals with premature hair graying had lower levels of certain serum nutrients and lifestyle factors like stress and smoking may contribute; hair oiling appeared protective.
April 2025 in “Dermatology Practical & Conceptual” In this study, researchers observed that individuals with premature graying of hair had significantly higher LC3 gene expression compared to controls, suggesting a potential link between autophagy and the development of this condition, with LC3 gene expression as a possible independent predictor.
1 citations
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April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that inhibiting mTORC1 activity with rapamycin increased both hair growth and pigmentation in human scalp hair follicles, suggesting a potential strategy for treating greying and hair loss.
75 citations
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January 2009 in “International journal of trichology” This review examines the differential aging of melanocytes in hair follicles and skin, and reports no new findings; the authors suggest further research is needed to understand these processes.