September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
Hair loss in women in Lagos, Nigeria is not common, but when it happens, it's usually severe.
October 2021 in “West African journal of medicine” Hair loss in women in Lagos, Nigeria is rare but severe when it occurs, with symptoms similar to those seen worldwide.
January 2020 in “Medpulse International Journal of General Medicine” Trichoscopy helps diagnose and monitor hair loss, showing different signs at various stages of hair thinning.
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January 2015 in “Annals of Dermatology” The study found specific hair and scalp patterns for different types of hair loss in Koreans, noting racial differences affect diagnosis.