127 citations
,
December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
40 citations
,
December 2011 in “British Journal of Dermatology” Women's hair generally gets thinner and less dense starting in their mid-thirties, with hair loss becoming more common as they age due to both genetics and environment.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
23 citations
,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” NF-κB is crucial for different stages and types of hair growth in mice.
22 citations
,
January 2015 in “Dermatology Research and Practice” An extra-strength marine protein supplement helped increase hair growth and decrease hair shedding in women with thinning hair.
9 citations
,
November 2007 in “Veterinary dermatology” Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.
7 citations
,
December 2017 in “Anais da Academia Brasileira de Ciências” 6-Gingerol from ginger may slow down hair growth by affecting certain enzymes and growth factors.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
5 citations
,
September 2016 in “Journal of Cosmetic Dermatology” Nourkrin® with Marilex® may increase hair count by 35.7% in postpartum hair loss.
March 2026 in “International Journal of Research and Review” Rosmarinus officinalis tincture significantly improves hair volume and density.
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
March 2016 in “Institutional Repositories DataBase (IRDB)” Collagen peptides may promote hair growth by activating certain genes in the skin.
January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
109 citations
,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
7 citations
,
October 2016 in “Dermatologic Therapy” About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.
5 citations
,
July 2019 in “Research Square (Research Square)” Yak hair growth is influenced by genes and hormones, helping them adapt to alpine environments.
5 citations
,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
March 2024 in “Research Square” The model helps understand alopecia areata and suggests ways to improve treatment by targeting immune issues.
January 2024 in “Research Square” The model helps understand alopecia areata and suggests treatment strategies.
January 2024 in “Applied Mathematics and Nonlinear Sciences” The model helps understand alopecia areata and suggests better treatment strategies.
July 2012 in “EFSA supporting publications” The EFSA maintained its view that spermidine's effect on hair growth is related to disease treatment and does not meet the health claim criteria.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
72 citations
,
February 2011 in “American Journal of Biological Anthropology” The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
2 citations
,
May 2001 in “Current problems in dermatology” The conclusion is that effectively treating hair disorders is difficult due to the complex factors affecting hair growth and more research is needed to improve treatments.
December 2024 in “Frontiers in Veterinary Science” Dorper sheep's wool shedding is linked to specific genes and pathways, which may help understand human hair growth.
418 citations
,
September 2012 in “Nature” African spiny mice can regenerate skin, hair, and cartilage, but not muscle, and their unique abilities could be useful for regenerative medicine.
43 citations
,
October 2002 in “International Journal of Cosmetic Science” All three shampoos reduced dandruff and hair loss, but ketoconazole and piroctone olamine also made hair thicker.
November 2025 in “SKIN The Journal of Cutaneous Medicine” "Dread shed" is common with minoxidil but less so with other hair loss treatments.
26 citations
,
May 2000 in “Journal of The American Academy of Dermatology” Finasteride improves hair growth.