409 citations
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May 1991 in “Genes & Development” TGF-alpha affects skin thickness, hair growth, and may contribute to psoriasis and papilloma formation.
67 citations
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September 2017 in “Cell Reports” Caloric restriction improves skin and fur structure but can cause muscle loss and movement issues.
September 2017 in “Journal of Investigative Dermatology” LRIG1 protein affects hair growth by regulating skin receptors, leading to hair loss when overexpressed.
July 2024 in “Journal of Investigative Dermatology” Losing both ERBB2 and ERBB3 receptors in mice causes significant skin problems and inflammation.
14 citations
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April 2018 in “ACS Biomaterials Science & Engineering” Nanoemulsion is a promising method for delivering luteolin to promote hair growth without minoxidil's side effects.
1 citations
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September 2022 Sugar waxing slows hair growth and reduces thickness but can cause more ingrown hairs and inflammation than hard waxing.
6 citations
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February 2022 in “Journal of immunology research” Exosomes from fat-derived stem cells can potentially improve hair growth and could be a new treatment for immune-related hair loss.
April 2021 in “Journal of Investigative Dermatology” Early-stage skin substitutes improve wound healing and skin structure.
September 2014 in “Springer eBooks” Men and women experience skin aging differently due to changes in sex hormone levels with age.
90 citations
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October 1983 in “British Journal of Dermatology” The unit area trichogram is a reliable method to assess hair loss and treatment response in people with androgenic alopecia by measuring hair density and thickness.
20 citations
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January 2017 in “Experimental Dermatology” Igf1r helps regulate hair growth cycles.
Moderate immune responses help hair growth, while excessive responses slow it down.
54 citations
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June 1985 in “American Journal of Dermatopathology” Minoxidil helps grow longer, thicker hair in bald scalps of stumptailed macaques, and early treatment is more effective.
23 citations
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December 2004 in “Differentiation” Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.
12 citations
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September 1981 in “Acta Dermato Venereologica” Zinc supplements improved the girl's hair growth and thickness.
3 citations
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April 2018 in “Cosmetics” As people get older, they have less active hair growth, but women have thicker hair than men and respond better to hair loss treatments.
January 2001 in “Biomedical Research” THH and PAD type III appear together early in hair growth, but deiminated THH appears later, suggesting another factor is involved.
November 2025 in “Andalas University eThesis (Andalas University)” Rosemary extract hair tonic is a safe and effective natural alternative for promoting hair growth.
January 2026 in “National Journal of Maxillofacial Surgery” Using hibiscus oil with Gua-sha improves eyebrow hair growth more than hibiscus oil alone.
1 citations
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October 2015 in “CRC Press eBooks” Nutricosmetics with active ingredients can help with hair loss and improve hair growth.
5 citations
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January 2021 in “Frontiers in Cell and Developmental Biology” Inhibiting Zyxin may help treat androgenetic alopecia by promoting hair growth.
12 citations
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September 2020 in “Stem cell research & therapy” Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.
November 2022 in “PubMed” Deep dermal tissue dislocation injury in pigs leads to thicker fibrotic tissue and increased type III collagen, affecting skin repair.
75 citations
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October 2016 in “Genes & Development” Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.
46 citations
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May 2012 in “Molecular and Cellular Endocrinology” Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.
39 citations
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April 2020 in “Clinical, Cosmetic and Investigational Dermatology” Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.
3 citations
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June 2021 in “PLOS ONE” A topical BRAF inhibitor, vemurafenib, can speed up wound healing and promote hair growth, especially in diabetic patients.
9 citations
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July 2017 in “Journal of medical case reports” Ruxolitinib treatment may cause eyelash growth.
July 2015 in “Actas Dermo-Sifiliográficas” A woman experienced excessive hair growth after using a hair loss treatment with minoxidil.
46 citations
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May 2003 in “Mechanisms of Development” Increasing calcium sensing receptor speeds up skin and hair development in mice.