13 citations
,
January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
13 citations
,
January 2007 in “International journal of pharmaceutics” Papain cream removes hair better than papain gel, causing hair follicles to widen and skin to thicken.
11 citations
,
January 2012 in “Journal of cell science” Rac1 is essential for proper hair structure and color.
9 citations
,
June 1998 in “Dermatologic Surgery” The Rapid Fire Hair Implanter Carousel may allow faster hair transplants with less bleeding and similar healing and growth compared to manual methods.
8 citations
,
September 2015 in “Journal of the European Academy of Dermatology and Venereology” Hair and scalp pain is more common and severe in breast cancer patients on chemotherapy than those on tamoxifen.
8 citations
,
April 2014 in “Anti-Cancer Drugs” A hormone linked to collagen helps hair grow back in mice after chemotherapy, and may also prevent bone loss.
4 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” Platelet-Rich Plasma (PRP), a protein-rich extract from a patient's blood, shows promise in improving hair density, thickness, and quality, but the best method of use and number of treatments needed for noticeable results are still unclear.
3 citations
,
January 2017 in “Journal of cosmetology & trichology” The nutritional supplement improved hair quality and reduced hair loss.
1 citations
,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
August 2025 in “International Journal of Research in Dermatology” Better standardization and transparency in statistical reporting are needed to improve hair care research quality.
January 2025 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Oral minoxidil boosts hair growth and reduces shedding in androgenetic alopecia.
August 2021 in “Journal of Fundamental and Applied Pharmaceutical Science” Black tea extract at 5% concentration promotes the most hair growth.
305 citations
,
June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
174 citations
,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
165 citations
,
September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.
162 citations
,
August 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” The new "differential stripping" method effectively measures how much substance gets into hair follicles.
137 citations
,
July 2004 in “Journal of The American Academy of Dermatology” Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.
136 citations
,
June 2006 in “Journal of Dermatological Science” PDGF isoforms can promote and sustain hair growth.
113 citations
,
September 2005 in “Journal of Investigative Dermatology” Applying a special compound can promote hair growth without harmful side effects.
96 citations
,
October 2000 in “The FASEB Journal” The p75 neurotrophin receptor is important for hair follicle regression by controlling cell death.
83 citations
,
December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
82 citations
,
May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
81 citations
,
January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
77 citations
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March 2021 in “Nature” Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.
77 citations
,
July 2020 in “Cell” Muscles and nerves that cause goosebumps also help control hair growth.
77 citations
,
January 2015 in “International Journal of Biological Macromolecules” Chitosan nanoparticles improve minoxidil delivery to hair follicles for better alopecia treatment.
77 citations
,
April 2009 in “British Journal of Dermatology” Aromatase gene variation may increase female hair loss risk.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
59 citations
,
July 2020 in “Journal of The American Academy of Dermatology” Oral minoxidil promotes hair growth but may cause side effects; needs monitoring.