A woman had temporary hair loss due to stress from a spinal cord injury.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Wnt ligand secretion by hair follicle cells is essential for hair growth and repair.
Melatonin shortens the hair growth cycle by increasing PDGFA gene expression.
January 2006 in “Chinese Journal of Dermatology” Latanoprost helps pig hair follicles grow faster by keeping them in the growth phase longer.
January 2022 in “Stem cell biology and regenerative medicine” Improving dermal papilla cells can help regenerate hair follicles.
September 2019 in “Journal of Investigative Dermatology” Sandalore, a synthetic scent, was found to reduce hair loss and improve hair growth in women with hair shedding issues.
10 citations
,
May 2020 in “Dermatology Research and Practice” Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.
61 citations
,
April 2013 in “PloS one” The study found key genes and pathways involved in cashmere goat hair growth stages.
14 citations
,
May 2020 in “Archiv für Tierzucht” Researchers identified genes that may affect hair growth in Cashmere goats.
14 citations
,
February 2011 in “Experimental dermatology” A protein called COMP is part of the connective tissue in normal human hair follicles and may be important for hair health.
7 citations
,
June 2022 in “Czech Journal of Animal Science” Certain circular RNAs help cashmere goats grow more hair.
4 citations
,
February 2019 in “Journal of Cutaneous Pathology” The marker 5-hmC changes in hair follicle stem cells when they start to grow.
2 citations
,
December 2007 in “Microbial pathogenesis” Anthrax bacteria can infect and destroy hair follicles in mice, but the immune system eventually clears the infection.
March 2026 in “Journal of Investigative Dermatology” Folliculin slows hair growth, and blocking it might help treat hair loss.
May 2024 in “BMC veterinary research” Metabolites and diet affect hair growth cycles in cashmere goats.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
January 2020 in “Nihon rinsho hifukaikai zasshi” A woman's temporary hair loss was caused by high prolactin levels from her medication.
January 1992 in “Proceedings of the New Zealand Society of Animal Production” Ferret hair growth starts between 0 and 4 days after melatonin treatment, with cell growth peaking in the hair germ and declining as the hair matures.
April 2023 in “Journal of Investigative Dermatology” Proper cell death regulation is crucial for normal hair follicle regeneration and skin remodeling.
45 citations
,
August 1992 in “PubMed” The rat vibrissa follicle can quickly remodel its basement membrane during hair growth, affecting cell signaling and activity.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
11 citations
,
September 2021 in “Skin Appendage Disorders” Hair count values should be standardized for each scalp region to evaluate hair disorders in Asians.
7 citations
,
December 2010 in “대한의생명과학회지” Hair growth after depilation increases skin thickness, mast cell counts, and cell activity.
6 citations
,
January 2019 in “Biochemical and Biophysical Research Communications” Sox13 is a useful marker for early hair follicle development but not essential for hair growth.
4 citations
,
March 2021 in “International Journal of Dermatology” COVID-19 and related stress may increase hair loss known as Telogen effluvium.
1 citations
,
September 2018 in “Australasian Journal of Dermatology” A boy with GAPO syndrome had hair loss similar to male pattern baldness without hormone issues, possibly due to skin or blood vessel problems.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
March 2018 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” Chronic stress delays hair growth and affects hair stem cells negatively.
February 2010 in “Journal of The American Academy of Dermatology” Mimicking growth factors in a topical solution can prolong hair growth phase and reduce hair loss without side effects.
4 citations
,
January 2014 in “PubMed” Hair growth is controlled by cycles influenced by hormones and various signals.