2 citations,
January 2017 in “Journal of Pigmentary Disorders” Genetics, stress, and health issues can cause early hair greying, which affects self-esteem, and there's no cure, only hair dye.
August 2023 in “International journal of research in medical sciences” The serum is safe and helps treat premature greying of hair.
October 2024 in “Journal of the Pakistan Medical Association” Genetics, nutrition, lifestyle, and hormones affect early grey hair, but more research is needed.
Low Vitamin D, Vitamin B12, and iron levels, as well as thyroid issues, are strongly linked to premature greying of hair, which also negatively affects quality of life.
September 2019 in “Acta scientific microbiology” No link between how fast you breathe and early grey hair was found.