The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
August 2023 in “International Journal of Molecular Sciences” The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
1 citations,
September 2012 in “Journal of Investigative Dermatology” Aging reduces stem cell activation, leading to hair loss in mice lacking a specific enzyme.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Androgens increase growth factors in skin cells, which may lead to acne.
773 citations,
August 2017 in “International Journal of Molecular Sciences” The secretions of mesenchymal stem cells could be used for healing without using the cells themselves.