September 1997 in “Journal of the European Academy of Dermatology and Venereology” People with acne have more CD4+ immune cells in their skin than healthy people.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” This study observed that key signaling events controlling hair growth in ferret follicles occur between 0 and 4 days after melatonin implantation, highlighting distinct processes in follicular regeneration and fibre growth.
13 citations
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
34 citations
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December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
2 citations
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June 2013 in “In Vitro Cellular & Developmental Biology - Animal” This study successfully cultured human fetal hair follicle-derived melanocytes, which showed high proliferative capabilities and unique morphological characteristics compared to adult-derived cells, potentially advancing hair disease research.