December 2025 in “Universal library of medical and health sciences.” Amino acids like arginine and cysteine protect hair during chemical treatments, keeping it strong and less brittle.
January 2024 in “Seven Editora eBooks” Different techniques measure hair properties to ensure cosmetic products work.
211 citations
,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
157 citations
,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
96 citations
,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
92 citations
,
September 2019 in “ACS nano” A wearable device using electric stimulation can significantly improve hair growth.
87 citations
,
January 2016 in “Development” Blocking β-catenin in skin cells improves hair growth during wound healing.
82 citations
,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
81 citations
,
August 2014 in “Lasers in Surgery and Medicine” Red light therapy is safe and effectively increases hair growth in women with hair loss.
78 citations
,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
70 citations
,
February 2015 in “Expert Opinion on Drug Discovery” Topical drugs and near-infrared light therapy show potential for treating alopecia.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
68 citations
,
August 2014 in “Stem Cells Translational Medicine” Dermal papilla cells help wounds heal better and can potentially grow new hair.
68 citations
,
November 2012 in “Journal of Investigative Dermatology” Prostaglandin D2 blocks new hair growth after skin injury through the Gpr44 receptor.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
56 citations
,
June 2015 in “Nature Protocols” Two-photon microscopy helps observe hair follicle stem cell behaviors in mice.
52 citations
,
January 2020 in “Scientific Reports” NLCs with manual massage greatly improve clobetasol delivery to hair follicles.
48 citations
,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
48 citations
,
January 2002 in “Dermatology” Hair pain is more common in women with hair loss, but it's not linked to the cause or severity of hair loss.
47 citations
,
August 2011 in “Journal of The European Academy of Dermatology and Venereology” Laser treatment increases hair density and thickness safely in women with hair loss.
46 citations
,
January 2020 in “Theranostics” Injecting a special gel with human protein particles can help hair grow.
44 citations
,
September 2019 in “The EMBO Journal” Lymphatic vessels are essential for hair follicle growth and skin regeneration.
43 citations
,
August 2018 in “Cell Stem Cell” Hoxc genes control hair growth through Wnt signaling.
43 citations
,
June 2012 in “Lasers in Medical Science” Low-level laser treatment helped rats regrow hair faster after chemotherapy.
42 citations
,
July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
40 citations
,
December 1980 in “The Journal of Dermatologic Surgery and Oncology” An improved scalp reduction technique reduces the need for hair grafts and has minimal complications.
39 citations
,
December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
39 citations
,
October 2013 in “Plastic and Reconstructive Surgery” Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.