51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
14 citations
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June 2001 in “Endocrinology” Prolactin affects when mice shed and grow hair.
9 citations
,
April 2018 in “Journal of trace elements in medicine and biology” Hair analysis can show nutritional status and environmental exposure, with phosphorus being very stable in hair and differences found based on gender and conditions like depression and autism.
1 citations
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December 2017 The study suggests that treating early hair loss with Nourkrin® with Marilex® can help prevent further hair loss and may be linked to reducing the risk of lifestyle diseases.
72 citations
,
September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
April 2026 in “Dove Medical Press (Taylor and Francis Group)” Myrtus communis leaf extract may help with hair loss and wound healing.
July 2025 in “Ecotoxicology and Environmental Safety” Higher levels of molybdenum and lead in hair are linked to increased cholesterol and dyslipidemia risk.
January 2025 in “Majmaah Journal of Health Sciences” Nearly 70% of postmenopausal women in Saudi Arabia experience hair loss, often linked to early menopause, chronic diseases, family history, and stress.
November 2016 in “University of the Arts London Research Online (University of the Arts London)” Shampoos with polymers and dyes help maintain and enhance hair color vibrancy.
January 2010 in “EPub Bayreuth (University of Bayreuth)” Polyquaternium-87 reduces hair friction the most among tested polymers.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
March 2025 in “Authorea (Authorea)” PRP injections for hair growth can cause temporary vision loss, which may be resolved with treatment.
Red clover and caffeine both promote hair growth, but combining them doesn't enhance the effect.
July 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Pumpkin seeds may help treat hair loss by blocking a key enzyme.
6 citations
,
January 1996 in “Journal of Investigative Dermatology” Dermal papilla cells help hair growth by releasing growth-promoting factors.
1 citations
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August 2014 in “OhioLink ETD Center (Ohio Library and Information Network)” Alkylated keratin from human hair can help deliver growth factors for bone healing.
December 2020 in “Macromolecular Symposia” These polymers can improve hair texture and reduce water loss in hair cosmetics.
December 2017 in “International Journal of Current Research in Biosciences and Plant Biology” Nutrients and hormones affect root hair growth, but more research is needed to understand the genetic mechanisms.
April 2012 in “J. Willard Marriott Library” Cannabinoids like THC and THCA get into hair through skin oils, not hair color.
7 citations
,
September 2024 in “PLANT PHYSIOLOGY” RALF22 is essential for root hair growth in response to fungal emissions in Arabidopsis.
January 2026 in “Journal of Trace Elements in Medicine and Biology” Dogs have more iron and copper in their hair than cats, and outdoor animals have higher iron levels.
46 citations
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June 2013 in “Journal of structural biology” High glycine–tyrosine keratin-associated proteins help make hair strong and maintain its shape.
March 2009 in “Dermatology Online Journal” Manipulating EGFR signaling may help treat hair loss and promote hair growth.
2 citations
,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
19 citations
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August 2022 in “Plant Signaling & Behavior” ROS and calcium oscillations are essential for root hair growth in plants.
May 2026 in “International Journal of Cosmetic Science” A plant-based treatment from Avena strigosa seeds effectively repairs and strengthens damaged hair.
July 2025 in “Underline Science Inc.” ROS influences the growth and structure of Arabidopsis root hairs.
March 2024 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Soy hull supplement does not affect sheep and lamb growth or reproductive performance compared to corn-based supplements.
March 2021 in “Research Square (Research Square)” The SbbHLH85 protein helps sweet sorghum grow more root hairs but makes the plant more sensitive to salt.
8 citations
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November 2022 in “Journal of Cosmetic Dermatology” Cosmetic procedures generally improve social interactions and self-esteem, especially for women.