April 2024 in “Brazilian Journal of Health Review” COVID-19 may trigger hair loss in some people.
January 2016 in “UNESP Institutional Repository (São Paulo State University)” Melasma results from changes in the skin's pigment and structure, not just pigment cell growth.
May 2022 in “Brazilian Journal of Health Review” COVID-19 infection can cause temporary hair loss due to stress, treatment drugs, psychological impact, and pandemic-related stress.
November 2022 in “Medicina” COVID-19 may cause temporary hair loss due to the body's immune response.
April 2022 in “UNESP Institutional Repository (São Paulo State University)” Using both topical minoxidil and oral biotin together significantly boosts hair growth and density.