October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
73 citations
,
November 2000 in “Proceedings of the National Academy of Sciences of the United States of America” There are two ways to start hair growth: one needs Stat3 and the other does not, but both need PI3K activation.
3 citations
,
January 2004 in “Sen i Gakkaishi” DTDG in hair treatments reduces damage and preserves hair structure.
1 citations
,
February 1991 in “Journal of Biological Chemistry” January 2015 in “DSpace@MIT (Massachusetts Institute of Technology)” PHGDH promotes cancer growth by aiding cell proliferation and tumor progression.
10 citations
,
December 2017 in “Physiological Reports” Hair follicle analysis can track body changes from high-intensity interval training.
16 citations
,
January 1998 in “Dermatology” Human sebaceous glands can grow normally for a week without certain growth factors, and adding estrogen reduces their oil production without affecting cell growth.
1 citations
,
July 2024 in “Journal of Investigative Dermatology” MPZL3 protein affects hair growth cycles and could help manage hair loss.
June 2025 in “Stem Cell Research & Therapy” Isoproterenol may help treat hair loss by activating hair follicle stem cells.
November 2024 in “Biochemical and Biophysical Research Communications” Abnormal gene expression related to keratin causes hair loss in certain mice.
18 citations
,
June 2017 in “Proceedings of the National Academy of Sciences of the United States of America” A gene called Gk5 controls lipid production in the skin and affects hair growth.
January 2013 in “China Animal Husbandry & Veterinary Medicine” IGFBP-5 likely plays a key role in goat hair growth.
8 citations
,
August 2018 in “Drug testing and analysis” EtG levels in hair decrease significantly after one month of alcohol abstinence.
42 citations
,
January 2002 in “Skin Pharmacology and Physiology” Reconstructed skin models are useful for studying how skin processes certain chemicals.
April 2012 in “Informa Healthcare eBooks” Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.
87 citations
,
November 2002 in “Journal of Investigative Dermatology” 7 citations
,
January 2017 in “Sub-cellular biochemistry/Subcellular biochemistry” 75 citations
,
September 1971 in “British Journal of Dermatology” Both steroids effectively promote hair growth for at least 9 months.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Derinat helps extend hair growth by reducing harmful molecules in skin cells.
14 citations
,
July 1994 in “Journal of Investigative Dermatology”
2 citations
,
February 2025 in “International Journal of Molecular Sciences” Key proteins and pathways regulate yak hair growth, with lipid metabolism aiding adaptation to high altitudes.
31 citations
,
November 1965 in “Journal of Mammalogy” The pituitary gland is crucial for normal mink fur cycles.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
January 2026 in “Journal of Dermatological Treatment” GT20029 showed some hair growth improvement, but longer studies are needed for better results.
June 2024 in “Research Square (Research Square)” Early-onset AGA shows different hair and metabolic characteristics compared to normal-onset AGA.
77 citations
,
January 1993 in “Skin Pharmacology and Physiology” Steroids stop hair growth temporarily but don't block the signals that start it.
9 citations
,
April 2019 in “International Journal of Molecular Sciences” Kojyl cinnamate ester derivatives can promote hair growth by increasing adiponectin production in fat tissues.
October 2025 in “Communications Medicine” Combining genetic and physical data improves diagnosis and treatment for early-onset monogenic diabetes.
2 citations
,
April 2022 in “Research Square (Research Square)” Activating PKM2 and Wnt/β-catenin signaling together can potentially enhance hair growth and could be a treatment for hair loss.
25 citations
,
March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.