Minjmaa, B., Ariunsaikhan, T., Bayarjargal, M., Bolormaa, O., Oyuntuya, B. and Uranchimeg, E. 2022. Morphological changes in human scalp hair during treatment by hair products containing copper and zinc enriched yeast hydrosylate. Bulletin of the Institute of Chemistry and Chemical Technology. 10, 10 (Dec. 2022), 88–92. DOI:https://doi.org/10.5564/bicct.v10i10.2599.