16 citations
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November 2005 in “Journal of Clinical Pathology” CD1d expression in scalp skin and hair follicles changes with the hair cycle and may help protect against microbes.
5 citations
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September 2018 in “Journal of Investigative Dermatology” Keratinocyte cytokines and genetic variations influence the development of moles and skin pigmentation.
3 citations
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January 1991 in “Toxicology in Vitro” Hair follicle cultures are effective for studying cell communication and testing chemicals.
April 2023 in “Journal of Investigative Dermatology” IL-9/IL-9R signaling can negatively affect human hair growth and may be a target for treating hair loss conditions.
Collagen peptides may help maintain hair growth and could be beneficial for hair loss conditions.
550 citations
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December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.
5 citations
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February 2009 in “International Journal of Cosmetic Science” Coenzyme Q10 helps reduce aging in human hair.
4 citations
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April 1986 in “Cancer Letters” GSH-T levels in hair follicles are similar in smokers and non-smokers and don't increase with certain treatments.
44 citations
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June 2018 in “Journal of Cellular Physiology” Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.
67 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Androgens promote beard growth but cause hair loss in androgenetic alopecia, with TGF-β1 as a potential treatment target.
41 citations
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March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
37 citations
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November 2019 in “Journal of Microbiology and Biotechnology” Loliolide can boost hair growth by activating specific cell pathways.
26 citations
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January 2019 in “Experimental Dermatology” Researchers created early-stage hair-like structures from skin cells, showing how these cells can self-organize, but more is needed for complete hair growth.
4 citations
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January 2017 in “Annals of Dermatology” Tianeptine may help prevent hair loss by promoting hair growth and reducing cell death.
4 citations
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June 2007 in “PubMed” Engineered skin with specific cells can effectively repair skin and restore its function.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Electrical epilation damages hair follicles and surrounding skin, likely preventing hair regrowth.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
January 2006 in “Chinese Journal of Dermatology” Mesenchymal cells are essential for hair follicle stem cell growth.
November 2024 in “Journal of Investigative Dermatology” Skin and hair cells release serotonin and histamine naturally, which could help improve skin health.
111 citations
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August 1998 in “Journal of Investigative Dermatology” μ-opiate receptors in skin cells may affect skin health and healing.
1 citations
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June 2021 in “Preprints.org” Hair relaxers and straighteners can be toxic to skin cells.
1 citations
,
April 2016 in “Journal of Investigative Dermatology” Prostaglandin D2 increases testosterone levels in skin cells through reactive oxygen species, not enzymes, which could lead to new hair loss treatments.
November 2022 in “Journal of Investigative Dermatology” Fish-derived collagen may help hair grow longer and affect hair stem cells, while bovine collagen could benefit hair stem cell maintenance, potentially aiding in hair loss conditions.
July 2022 in “Journal of Investigative Dermatology” IL-15 helps maintain hair growth and protects the immune status of hair follicles.
1 citations
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January 2010 Ornithine decarboxylase is crucial for human hair growth and the hair cycle.
19 citations
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November 2012 in “British Journal of Dermatology” Dopamine stops hair growth and pigment production in human scalp hair follicles.
15 citations
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July 2019 in “Journal of Investigative Dermatology” CBD can either reduce inflammation and not affect hair growth at low levels or inhibit hair growth at high levels.
October 2025 in “Physiologia” Spermidine may improve skin health and hair growth by enhancing cell function.
April 2023 in “Journal of Investigative Dermatology” ALRN-6924 can protect hair follicles from chemotherapy damage by temporarily stopping cell division.