September 2019 in “Journal of Investigative Dermatology” This study found that apple stem cell extract may selectively influence hair follicle bulge stem cell biology without cytotoxic effects in an ex vivo human hair follicle organ culture.
April 2023 in “Journal of Investigative Dermatology” This pilot study suggests that topical melatonin may protect hair follicle stem cells from paclitaxel-induced damage, potentially preventing chemotherapy-induced alopecia and enhancing the effects of scalp cooling caps.
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December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that selective downregulation of CD200 in the bulge area might contribute to unusual bulge involvement in a subset of alopecia areata cases.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” This study suggests that allergens like linalool found in personal care products may contribute to the pathobiology of frontal fibrosing alopecia by affecting immune responses and stem cell function in hair follicles.
July 2022 in “Journal of Investigative Dermatology” This study found that the cosmetic olfactory receptor agonist cyclohexyl salicylate may stimulate hair growth and expand stem cell progeny, suggesting potential as a cosmetic adjuvant for hair loss.