854 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
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October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
32 citations
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December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.
11 citations
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April 2012 in “Journal of Investigative Dermatology” A specific mutation in PA-PLA1α causes abnormal hair growth.
March 2024 in “Medical lasers” Multiple-wavelength radiation helps hair grow by boosting early hair follicle development.
57 citations
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May 2007 in “Nature” Adult mice can grow new hair from skin wounds.
January 2011 in “Der Pharmacia Lettre” Pig oil was found to significantly promote hair growth in rats, more effectively than Minoxidil.
March 2023 in “Journal of Applied Biomedicine” Oleanolic acid improved hair growth in mice by affecting hair growth pathways and reducing inflammation.
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January 1983 in “Journal of Investigative Dermatology” 13 citations
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September 1997 in “Archives of Dermatology” The boy likely has a fungal infection causing hair loss.
34 citations
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October 1998 in “PubMed” Future drugs targeting specific hair growth steps could improve treatments for hair growth issues.
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April 2001 in “Journal of Dermatological Science” KF19418 promotes hair growth similarly to minoxidil but is not better in live mice.
17 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” A compound made by Pfizer can potentially stimulate hair growth and reduce oil production, making it a good candidate for topical use.
January 2018 in “Springer eBooks” Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
September 2004 in “Experimental Dermatology” Stress increases nerve growth factor, causing hair loss in mice.
7 citations
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November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
Hairlessness in mammals is due to complex genetic changes in both genes and regulatory regions.
8 citations
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November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
December 2012 in “Journal of Dermatological Science” Wnt/beta-catenin signaling in the skin helps fat cell development during hair growth and repair.
17 citations
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June 1990 in “PubMed” Hair varies in size and features depending on body region.
1 citations
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February 2013 in “Clinical pediatrics” The baby’s hair loss was due to a rare genetic condition, not treatable by usual methods.
March 2025 in “International Journal of Molecular Sciences” Free long-chain fatty acids can stimulate hair growth in mice.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” September 2025 in “Current Issues in Molecular Biology” IGF-1 can help regrow hair and may be a promising treatment for hair loss.
277 citations
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June 2003 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Epithelial-mesenchymal interactions control hair growth cycles through specific molecular signals.
28 citations
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March 2014 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” The document concludes that hair curvature can be explained by the growth patterns caused by the shape and separation of cells in the hair follicle and is affected by specific molecular pathways.
18 citations
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July 2001 in “International Journal of Dermatology” A 12-year-old boy's hair loss and skin issues improved significantly with medication.
6 citations
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January 2017 in “Journal of toxicologic pathology” Rabbit skin with active hair growth shows thicker, redder areas due to larger, more numerous hair follicles and increased blood vessels.
1 citations
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July 2024 in “Journal of Investigative Dermatology” MPZL3 protein affects hair growth cycles and could help manage hair loss.
6 citations
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June 2009 in “Clinical and Experimental Dermatology” Topical tacrolimus reduces certain growth factors in hair follicles.