research Reversible cutaneous hyperpigmentation and nails with white hair due to vitamin B12 deficiency.
Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
istanbul, Türkiye
Kochi, Kerala, India
Sahāranpur, Uttar Pradesh, India
Bloomfield, NJ, United States
Coimbatore, Tamil Nadu, India
Vũng Tàu, Vietnam


