April 2016 in “Journal of Investigative Dermatology” Iron deficiency causes hair loss by affecting hair differentiation and cycling.
20 citations
,
October 2021 in “Applied materials today” A new microneedle patch and yellow light therapy significantly promote hair regrowth.
January 2026 in “Industrial Crops and Products” Ginsenoside Rf from Panax ginseng promotes hair growth and could be a natural alternative for treating hair loss.
The hydrogel with 20% Hibiscus rosa-sinensis extract was the best for potential therapeutic use.
21 citations
,
August 2013 in “Journal of Dermatological Treatment” Low-level light therapy may help hair regrowth, but more research is needed.
19 citations
,
September 2021 in “British journal of dermatology/British journal of dermatology, Supplement” Activating PPAR-γ signalling can protect hair follicle stem cells from damage caused by chemotherapy.
September 2025 in “Current Issues in Molecular Biology” IGF-1 can help regrow hair and may be a promising treatment for hair loss.
24 citations
,
May 2017 in “Journal of Cosmetic and Laser Therapy” The laser scanner device was more effective at increasing hair density than the laser hat in treating androgenic alopecia.
January 2019 in “Springer eBooks” PRP and LLLT can improve hair growth in AGA, but more research needed.
January 2025 in “Diagnostics” 3D high-frequency ultrasound can help diagnose skin and hair conditions without invasive biopsies.
March 2021 in “British Journal of Dermatology” PRP helps hair regrowth and thickness.
1 citations
,
September 2016 in “Brain Behavior and Immunity” Hair cortisol levels can indicate stress and are affected by washing frequency, not cosmetic treatments.
14 citations
,
November 2012 in “SLAS discovery” Some herbal extracts can promote hair growth and prevent hair loss.
33 citations
,
August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
53 citations
,
May 2010 in “Journal of Cellular Physiology” Mice without Vitamin D receptors have hair growth problems because of issues in the hedgehog signaling pathway.
22 citations
,
May 2002 in “Skin Research and Technology” CE-PTG detects early hair follicle issues in balding areas, helping measure male hair loss.
1 citations
,
April 2005 in “World Journal of Pharmaceutical and life sciences” The herbal powder shampoo effectively cleans, promotes hair growth, and conditions hair using natural ingredients.
1 citations
,
January 2007 in “AIP conference proceedings” High-resolution x-ray images showed three main structures in human hair: medulla, cortex, and cuticle.
35 citations
,
April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
April 2023 in “Journal of Investigative Dermatology” Transplanted stem cells from hair follicles significantly boosted hair growth and normalized follicles in certain mice.
77 citations
,
March 2000 in “Journal of Investigative Dermatology” The research identified six functional hair keratin genes and four pseudogenes, providing insights into hair formation and gene organization.
56 citations
,
January 1999 in “The Analyst” The method accurately measures certain steroids in human hair, showing different levels in males and females.
November 2002 in “Hair transplant forum international” The IBHRS is now operational.
5 citations
,
June 2019 in “British Journal of Dermatology” Chemical hair straightening may be linked to a type of permanent hair loss.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
10 citations
,
January 2004 in “PubMed” Radiation increases cell death in hair follicles, but certain treatments can protect against this effect.
11 citations
,
May 2016 in “Naunyn-Schmiedeberg's Archives of Pharmacology” A substance called 15-deoxy prostaglandin J2 can cause hair follicle cells to die, which might explain how prostaglandin D2 can lead to hair loss.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.