March 2024 in “Journal of functional foods” Collagen peptides from marine and bovine sources may help prevent hair loss by affecting hair follicle stem cells differently.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Silybum marianum extract, Manganese PCA, and Lespedeza capitata extract may help with hair growth and anchorage, potentially aiding in hair loss treatment.
July 2024 in “Journal of Investigative Dermatology” Topical thyroid hormones may boost hair growth.
November 2025 in “Advances in Education Humanities and Social Science Research” Some cosmetic ingredients can harm health, causing issues like allergies, cancer, and skin problems.
100 citations
,
September 1999 in “British Journal of Dermatology” The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.
1 citations
,
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.
1 citations
,
November 2023 in “Biomaterials advances” Sponges made of soy protein and β-chitin with human cells from hair or fat can speed up healing of chronic wounds.
21 citations
,
December 2012 in “European journal of pharmaceutics and biopharmaceutics” The nanoparticle-emulsion with polihexanide is more effective and lasts longer for skin antisepsis.
February 2026 in “International Journal of Molecular Sciences” Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
October 2025 in “International Journal of Cosmetic Science” USPlus® DERM may help hair growth and reduce hair loss.
August 2025 in “Nutrients” Ageratum conyzoides extract promotes hair growth and regrowth.
February 2025 in “Natural Product Communications” Aloe vera, Centella asiatica, Green Tea, and Pueraria mirifica extracts together boost hair growth by enhancing stem cell properties.
221 citations
,
June 1999 in “In Vitro Cellular & Developmental Biology - Animal”
3 citations
,
September 2022 in “Molecules” Camellia seed cake extract may help hair growth by blocking the hair loss effects of a hormone called DHT.
April 2024 in “American Journal of Biological Anthropology” Hair traits vary widely and are not reliable indicators of ancestry.
June 2008 in “Experimental Dermatology” 17-beta estradiol and prednisolone may help regrow hair damaged by chemotherapy.
November 2025 in “Cosmetics” POLEVAN® improves hair shine, moisturizes the scalp, and maintains foam quality in shampoos.
March 2024 in “Clinical, cosmetic and investigational dermatology” Skin Radiance Collagen improved skin and hair health in adult females.
12 citations
,
August 2022 in “Ecotoxicology and Environmental Safety” A new method accurately detects bisphenols and parabens in human hair.
6 citations
,
March 2019 in “Medical science monitor basic research/Medical science monitor. Basic research” VEGFR-2 is active in hair follicles, sebaceous glands, sweat glands, and skin on the human scalp.
October 2024 in “Annals of Dermatology” Korean Red Ginseng may help protect hair from damage and promote growth.
February 2004 in “The New England Journal of Medicine” The book is a comprehensive and current guide on hair disorders, with minor flaws.
47 citations
,
July 2023 in “Nature Genetics” 9 citations
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October 1991 in “Archives of Dermatological Research” Testosterone, DHT, and estradiol significantly affect hair cell growth.
20 citations
,
April 2009 in “Fertility and Sterility” 29 citations
,
July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
28 citations
,
September 1986 in “Pediatric dermatology” Zinc therapy improved hair health in a girl with acrodermatitis enteropathica.
23 citations
,
December 2001 in “Experimental dermatology” Soymilk can slow hair growth and make hair thinner.
1 citations
,
March 2021 in “Frontiers in Medicine” Female pattern hair loss shows similar characteristics in both genders and should be classified by hair loss patterns, not gender.
April 2016 in “Journal of Investigative Dermatology” Iron deficiency causes hair loss by affecting hair differentiation and cycling.