12 citations
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March 2000 in “Clinical Chemistry” Chronic DHEA supplementation slightly increases testosterone in hair but stays within safe limits.
4 citations
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September 2010 in “Medical Hypotheses”
A natural compound called VB-1 can help promote hair growth by boosting a specific cell signal in human skin cells.
May 2023 in “Skin research and technology” A DNA aptamer helps promote hair growth by enhancing a key cell growth signal in hair follicle cells.
45 citations
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August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
2-Hydroxy-1,4-naphthoquinone is a strong 5α-reductase inhibitor.
5 citations
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September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular Basis of Disease” Hairless protein helps control hair growth by regulating vitamin D receptor activity.
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April 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D3 is important for hair growth and protecting skin from damage caused by long-term sun exposure.
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January 2005 in “Elsevier eBooks” Vitamin D affects skin and hair by influencing cell behavior and melanin production.
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April 2018 in “Biotechnology Letters” Human growth factor 20 can boost mouse whisker growth.
6 citations
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January 2024 in “Annals of Dermatology” Dickkopf-related Protein 2 can help hair grow by activating a specific cell pathway.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” A synthetic sandalwood odorant can boost antimicrobial production in hair follicles, making them more resistant to bacteria.
January 2022 in “Figshare” Dexamethasone increases androgen receptor activity in scalp cells, which might explain stress-related hair loss.
March 2026 in “The Journal of Steroid Biochemistry and Molecular Biology” Deleting vitamin D and calcium receptors in skin cells increases skin cancer risk by reducing DNA repair and stress response.
29 citations
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April 2020 in “Biomolecules” The 3D scaffold helped maintain hair cell traits and could improve hair loss treatments.
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April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.
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August 1994 in “Clinical endocrinology” 5α-Reductase inhibitors can help treat hair loss, acne, and prostate issues by reducing DHT levels.
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September 2022 in “Journal of dermatological science” Certain vitamins and their derivatives can help hair grow longer by activating specific growth signals.
September 2025 in “Frontiers in Medicine” Angiopoietin-1 helps hair cells survive and grow, making it a potential treatment for hair loss.
118 citations
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May 2015 in “European journal of pharmaceutics and biopharmaceutics” The hydrogel with a 1:3 ratio of hydroxyethyl cellulose to hyaluronic acid is effective for delivering drugs through the skin to treat acne.
February 1996 in “Clinical Pharmacology & Therapeutics” MK-386 reduces sebum DHT levels.
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January 1998 in “International journal of cancer” Rubbing vitamin D3 on skin can help prevent hair loss from chemotherapy and slow breast tumor growth in mice.
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February 2018 in “Lasers in Medical Science” Red light and LED treatments help hair grow by activating a specific cell signaling pathway.
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October 1991 in “Archives of Dermatological Research” Testosterone, DHT, and estradiol significantly affect hair cell growth.
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February 2021 in “Diabetes” Dock5 is important for skin healing and could help treat diabetic wounds.
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35 citations
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August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
76 citations
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September 1992 in “Endocrinology” The human type II 5α-reductase gene has a specific structure important for understanding certain medical conditions.