May 2026 in “Dermatology Online Journal” Dermarollers for hair growth show mixed results and can cause risks like damage and infection.
3 citations
,
January 2015 in “Evidence-based Complementary and Alternative Medicine” Pumpkin seed oil may help hair growth, but more research needed on frontal hair loss and long-term effects.
March 2026 in “Saudi Journal of Pathology and Microbiology” Personalized genomic interventions can effectively manage chronic hair loss.
55 citations
,
September 2017 in “Journal of Cosmetic Dermatology” Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.
51 citations
,
September 2020 in “Cell Metabolism” Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.
16 citations
,
February 2019 in “Gene” Researchers found a good way to isolate hair follicle stem cells from newborn goats for further study.
15 citations
,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
13 citations
,
October 2017 in “Bioscience, Biotechnology, and Biochemistry” Centella asiatica extract may help promote hair growth by blocking a specific cell signaling pathway.
6 citations
,
March 2022 in “PLoS ONE” Centipedegrass extract may promote hair growth by activating certain cell pathways.
April 2025 in “International Journal of Pharmaceutical Sciences Review and Research” SesZen-Bio™ may be a promising and safer option for promoting hair growth.
July 2013 in “International Society of Hair Restoration Surgery” Effective storage of hair follicles is crucial for successful hair transplants, especially in patients with heart issues.
32 citations
,
July 2011 in “Facial Plastic Surgery” New hair transplant methods offer more natural results and better graft survival, with ongoing research to increase donor hair options.
Hair restoration surgery has improved to transplant hair in natural groupings, but it's labor-intensive and can't fully restore normal hair density.
46 citations
,
March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
38 citations
,
May 2009 in “European journal of dermatology/EJD. European journal of dermatology” TrichoScan® is a reliable tool for measuring hair growth, providing quicker and more consistent results than manual methods.
18 citations
,
January 2013 in “International Society of Hair Restoration Surgery” Proper cell preservation is crucial for successful hair transplants and other medical treatments.
18 citations
,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
11 citations
,
February 2019 in “Frontiers in Physiology” Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.
7 citations
,
October 2000 in “Allergo Journal” Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.
4 citations
,
November 2004 in “Clinical and Experimental Dermatology” Hair length and thickness are related, with thickness peaking at about a quarter of the hair's maximum length.
January 2018 in “Springer eBooks” Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.
173 citations
,
January 2014 in “Nature Cell Biology” Wnt signaling controls whether hair follicle stem cells stay inactive or regenerate hair.
35 citations
,
November 2019 in “Scientific Reports” Shikimic acid promotes hair growth.
24 citations
,
August 2011 in “Experimental Dermatology” The flap assay grows the most natural hair but takes the longest, the chamber assay is hard work but gives dense, normal hair, and the patch assay is quick but creates poorly oriented hair with some issues.
21 citations
,
January 2018 in “The Korean Journal of Physiology and Pharmacology” Modified stem cells from umbilical cord blood can make hair grow faster.
19 citations
,
December 2015 in “Journal of Materials Chemistry B” Scientists have created a method to deliver specific cells that can regenerate hair follicles, potentially offering a new treatment for hair loss.
16 citations
,
November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
13 citations
,
April 2020 in “Experimental Cell Research” PCAT1 helps hair growth by controlling miR-329/Wnt10b.
12 citations
,
December 2019 in “International Journal of Molecular Medicine” Stem cells from umbilical cord blood may prevent hair loss caused by certain medications.
7 citations
,
January 2019 in “Annals of dermatology/Annals of Dermatology” Synthetic ceramides may help hair growth by boosting cell growth in hair follicles.