53 citations
,
October 2003 in “Developmental Biology” Too much Sonic Hedgehog protein stops hair growth in embryos.
43 citations
,
March 2009 in “Journal of Cellular and Molecular Medicine” TGF-β2 plays a key role in human hair growth and development.
42 citations
,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Hair growth is influenced by various body and external factors, and neighboring hairs communicate to synchronize regeneration.
32 citations
,
July 2012 in “Stem Cells Translational Medicine” Vitamin D3 can help improve hair growth by enhancing the function of specific skin cells and could be useful in hair regeneration treatments.
30 citations
,
February 2023 in “Animals” Hair follicle traits at 6 months can help select cashmere goats for breeding.
21 citations
,
January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
19 citations
,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
14 citations
,
November 2005 in “Life sciences” Vitamin D3 may protect rat hair follicles from radiation damage.
3 citations
,
June 2002 in “Transgenic Research” Scientists made a mouse that can be made to lose hair and then grow it back.
Stress can cause hair loss and trigger autoimmunity by damaging hair follicle cells.
October 2025 in “Cell Reports” Regulatory T cells help hair growth by using the Cxcr4-Cxcl12 pathway.
February 2024 in “Animals” Giving selenium yeast to pregnant goats leads to better hair growth and cashmere quality in their babies.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
March 2023 in “International Journal of bioprinting” Zinc/silicon-infused hydrogel helps regenerate hair follicles.
1 citations
,
January 2019 in “Skin appendage disorders” A woman's sudden hair loss three years after a bone marrow transplant was a sign of chronic graft-versus-host disease but improved with treatment.
April 2026 in “Microorganisms” SCFF may help promote hair growth and scalp health.
Ganoderma lucidum extract may help treat stress-related hair loss.
1 citations
,
January 2019 in “Springer eBooks” Hidradenitis Suppurativa is a chronic skin condition best treated early with surgery for better outcomes and less recurrence.
1 citations
,
June 2018 in “International Journal of Contemporary Pediatrics” Poor nutrition in young children causes skin and hair issues, highlighting the need for better nutrition education.
28 citations
,
January 2007 in “Dermatology” Chemotherapy can cause rapid, extensive hair loss, with patterns varying between individuals.
16 citations
,
November 1994 in “Developmental Biology” Retinoic acid causes gland formation instead of hair in mouse skin by altering epidermal and dermal interactions.
3 citations
,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
3 citations
,
June 2019 in “Journal of Bangladesh Society of Physiologist” People with hair loss often have lower levels of zinc and copper in their blood.
143 citations
,
September 2008 in “Experimental gerontology” Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.
33 citations
,
September 2012 in “Australasian Journal of Dermatology” Chemotherapy can cause hair changes similar to alopecia areata, which might lead to misdiagnosis.
28 citations
,
November 2020 in “Journal of Controlled Release” A new hair loss treatment uses tiny needles to deliver a drug-loaded lipid carrier, promoting hair growth more effectively than current treatments.
17 citations
,
June 2019 in “BMC genomics” Non-coding RNAs help control hair growth in cashmere goats.
12 citations
,
August 2016 in “Current opinion in genetics & development” Organs like hair follicles can renew themselves in complex ways, adapting to different needs and environments.
5 citations
,
January 2019 in “Elsevier eBooks” Current therapies cannot fully regenerate adult skin without scars; more research is needed for scar-free healing.
3 citations
,
August 2025 in “Stem Cell Research & Therapy” Adipose-derived stem cells show promise in treating hair loss by promoting hair regrowth and improving hair follicle function.