122 citations
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April 2011 in “European Journal of Pharmaceutics and Biopharmaceutics” Particles around 100 nm can penetrate and stay in hair follicles without passing through healthy skin, making them safe for use in topical products and useful for targeted drug delivery.
117 citations
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November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
29 citations
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March 2000 in “Journal of Investigative Dermatology” The gene for Marie Unna hereditary hypotrichosis is located on chromosome 8p21.
6 citations
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January 1998 in “Journal of Investigative Dermatology” Estrogen receptors may not affect mouse hair growth as previously thought, and oxybenzone in sunscreen is stable in sunlight.
4 citations
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March 2000 in “Journal of Investigative Dermatology” The gene for Marie Unna hereditary hypotrichosis is located on chromosome 8p21, near the hairless gene.
34 citations
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December 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” Rat vibrissa follicles are useful for studying hair growth cycles, especially the transition from pro-anagen to anagen.
TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.
22 citations
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July 2015 in “PloS one” Foxp1 helps control hair stem cell growth and response to stress during hair growth cycles.
3 citations
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December 2022 in “npj Regenerative Medicine” HSPGs help control stem cell behavior, affecting hair growth and offering a target for hair loss treatments.
August 2021 in “Oxford University Press eBooks” The skin is a complex organ that protects the body, regulates temperature, and has roles in immunity, hormone function, and vitamin D metabolism.
August 2022 in “International Journal of Molecular Sciences” DNA methylation controls lncRNA2919, which negatively affects hair growth.
4 citations
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January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.
48 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
113 citations
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March 2018 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.
72 citations
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November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
67 citations
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May 2014 in “International Journal of Molecular Sciences” Using your own skin cells can help repair aging skin and promote hair growth.
26 citations
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January 2015 in “PubMed” Collagenase IV helps control hair growth by affecting certain growth factors.
21 citations
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October 2013 in “Molecular Biology of the Cell” The protein CCN2 controls hair growth by affecting hair follicle formation and stem cell activity in mice.
1 citations
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December 2023 in “International journal of molecular sciences” miR-199a-3p controls hair growth and is linked to alopecia areata.
January 2024 in “Journal of Cosmetics, Dermatological Sciences and Applications” Injecting a peptide-hyaluronic acid mix improved hair growth in men with hair loss and was safe.
343 citations
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December 2008 in “Endocrine Reviews” Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.
88 citations
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June 2016 in “Human Reproduction Update” New hormonal contraceptives are safer, have fewer side effects, and offer health benefits for women.
42 citations
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July 1982 in “PubMed” Loestrin effectively normalizes testosterone levels and improves PCOS symptoms with minimal side effects.
17 citations
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February 2015 in “Phytochemistry Reviews” Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.
16 citations
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August 1967 in “JAMA” Oral contraceptives may cause hair loss in women.
15 citations
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March 1997 in “International Journal of Dermatology” Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.
3 citations
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May 2021 in “PloS one” Many men misuse oral contraceptive pills for things like hair growth and muscle gain.
3 citations
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June 1981 in “PubMed” Taking hormonal contraceptives can cause skin changes, including hair loss, due to the effects of synthetic sex hormones.
1 citations
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March 2024 in “Genes & Diseases” EBF1 controls hair type and length.
1 citations
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March 2021 in “medRxiv (Cold Spring Harbor Laboratory)” Many males in Jordan misuse oral contraceptive pills for hair growth, muscle gain, and acne treatment.