Retinoic acid can change skin development, like turning scales into feathers or forming glands.
7 citations
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April 2025 in “Phytomedicine”
1 citations
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December 2022 in “BMC Plant Biology” The black orchid Brasiliorchis schunkeana produces chemicals that attract certain insects and have potential antimicrobial properties.
20 citations
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September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
11 citations
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February 1982 in “RePub (Erasmus University, Rotterdam)” Studying hair roots can help diagnose hair diseases and guide treatments.
1 citations
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December 2016 in “Govar-î zanko-î silêmanî. Beş-i A. Zaniste siruştîye” Traditional Kurdistan plant extracts can promote hair growth like Minoxidil.
January 2014 in “eScholarship (California Digital Library)” Lrig1 and Lgr6 stem cells help maintain hair follicles and influence skin cancer development.
2 citations
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January 2017 in “Plant” The organic extracts from the roots of Glycyrrhiza Glabra Linn have antioxidant and antibacterial properties.
3 citations
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September 2021 in “Journal of Food Science and Nutrition” Red Ginseng Extract helps hair grow and improves skin health by stimulating cell growth and enhancing the body's antioxidant defense system.
15 citations
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January 1954 in “Endocrinology” Iodine in rat hair is linked to hair growth.
2 citations
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September 2004 in “Experimental Dermatology” VR1 signaling can inhibit hair growth by affecting cell processes and increasing hair growth inhibitors.
December 2017 in “International Journal of Current Research in Biosciences and Plant Biology” Nutrients and hormones affect root hair growth, but more research is needed to understand the genetic mechanisms.
December 2025 in “Antioxidants” Fermented Yeast Complex Extract helps regrow hair by reducing oxidative stress and inflammation.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion juice is most effective for hair regrowth, while garlic, ginger, and clove support scalp health.
51 citations
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July 2013 in “Bioorganic & Medicinal Chemistry Letters” Compounds from Polygonum multiflorum root, especially a new one, can boost hair growth more effectively than common treatments.
November 2024 in “Journal of Investigative Dermatology” Ursolic and shikimic acid together boost hair growth better than alone.
47 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is crucial for hair follicle stability during the transition from growth to involution.
January 1992 in “Biology of the Cell” Retinoic acid receptors are important for hair follicle development.
8 citations
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June 2023 in “Acta Biochimica et Biophysica Sinica” rRSPO1 protein boosts hair growth by activating a key signaling pathway.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing the structure of the hair follicle's environment can affect hair quality but doesn't stop hair growth.
February 2026 in “The European Physical Journal E” Root hair growth mechanics depend on turgor pressure and cell wall properties.
April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology” Biotrinine® may be an effective treatment for chronic hair loss.
Raptor and Rictor have stable expression in hair cycles, with Raptor marking stem cells and Rictor involved in hair shaft formation.
503 citations
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May 2009 in “Cell stem cell” Lrig1 marks a unique group of stem cells in mouse skin that can become different skin cell types.
12 citations
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October 2020 in “Scientific Reports” Necrostatin-1s can promote hair growth and may help treat hair loss.
April 2019 in “Progress in Crystal Growth and Characterization of Materials” Hair grows like a crystal at a solid-liquid interface without cell division.
287 citations
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March 1999 in “The Plant Journal” Microtubules help control the direction and stability of root hair growth in Arabidopsis thaliana.
1 citations
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February 2021 in “Journal of Natural Remedies” Ficus religiosa and Morus alba extracts improved hair growth and follicle regeneration in mice.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Onion juice is most effective for hair regrowth, while garlic, ginger, and clove help with scalp health.
July 2024 in “British journal of dermatology/British journal of dermatology, Supplement” A variant in the KRT31 gene causes a rare hereditary hair disorder called monilethrix.