26 citations
,
December 1999 in “Journal of Investigative Dermatology” Certain genes are linked to wool follicle structure and function, but not hair cycle regulation.
5 citations
,
December 2021 in “Journal of Investigative Dermatology” Hedgehog signaling in certain cells is crucial for hair growth during wound healing.
5 citations
,
May 2021 in “Veterinary medicine and science” Injecting cosyntropin into grizzly bears increases blood cortisol but doesn't change hair cortisol levels.
2 citations
,
October 2022 in “Frontiers in genetics” Late diagnosis of congenital adrenal hyperplasia can greatly affect physical development, gender identity, and sexual health.
Ocu-miR-205 affects hair density in Rex rabbits by promoting cell changes and influencing hair follicle phases.
1 citations
,
April 2017 in “Journal of Investigative Dermatology” Higher minoxidil dose helps hair growth in non-responders without side effects.
March 2026 in “Frontiers in Veterinary Science” All-trans retinoic acid slows cell growth and increases cell death in goat hair follicles through a specific pathway.
October 2025 in “Journal of the Endocrine Society” The patient was satisfied with hormone therapy, and her epilepsy remained stable.
August 2025 in “Archives of Dermatological Research” Oral minoxidil is more effective than topical minoxidil for hair growth in men.
April 2025 in “Ukrainian Journal of Veterinary and Agricultural Sciences” Adding a water-soluble fatty acid complex to sheep diets improves wool growth by increasing primary hair follicle size and density.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
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.
175 citations
,
December 2014 in “PLoS Biology” Macrophages help activate hair follicle stem cells, affecting hair growth and skin repair.
35 citations
,
July 2018 in “Cell Reports” The study found that a specific area of the hair follicle helps start hair growth by reducing the blocking effects on certain cells and controlling growth signals.
10 citations
,
January 2010 in “PubMed” Adjuvants, diet changes, and laser therapy may improve male pattern hair loss.
10 citations
,
January 2009 Collagen XVIII affects wound healing, hair growth, and bone development, with its absence speeding up processes and overexpression causing delays and abnormalities.
January 2010 in “Computerized Tomography Theory and Applications” Dermoscopy image analysis is a simple, effective way to evaluate hair growth and product efficacy.
31 citations
,
April 2016 in “Nature communications” Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.
1 citations
,
July 2023 in “Journal of Clinical Medicine” Different causes of beard hair loss have various treatments, including medications, lifestyle changes, and procedures to stimulate hair growth.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
July 2020 in “Family Medicine” Diffuse hair loss can signal health issues like iron deficiency, and a new supplement, Richter FerroBio, may help improve hair growth.
PCOS is a common hormonal disorder with symptoms like irregular periods and excess hair growth, managed with lifestyle changes and medications.
150 citations
,
August 1992 in “Genes & Development” TNF alpha in skin cells causes weight loss, hair and fat issues, and skin inflammation in mice.
1 citations
,
May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
January 2023 in “Journal of cosmetic dermatology” The synthetic retinoid EC23 thickens skin and promotes hair growth more effectively and with a lower dose than natural retinoids.
December 2022 in “International Journal of Health Science” High levels of male hormones in women with PCOS can lead to fertility issues and symptoms like irregular periods, hair growth, acne, and hair loss; lifestyle changes are recommended for management.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
9 citations
,
October 2018 in “Journal of Cosmetic Dermatology” Isotretinoin at a low dose for three months does not significantly affect hair growth.
2 citations
,
September 2025 in “BMC Genomics” Maize root hairs adapt differently to mild and severe cold, with mild stress allowing some growth and severe stress stopping growth to focus on defense.
August 2024 in “International Journal of Medicine” COVID-19 can cause hair loss, and managing it involves counseling, diet changes, and treatments.