6 citations
,
January 2000 in “Dermatology” A girl's severely tangled hair couldn't be fixed and had to be cut due to a rare condition called plica neuropathica.
23 citations
,
May 2005 in “British Journal of Cancer” Plucked human hair can be used to study drug effects on certain cell markers.
January 2026 in “Cosmetics” The fermented solution from Platycladus orientalis leaves may boost hair growth and reduce inflammation.
7 citations
,
May 2007 in “Nutrition Journal” Hair pluckability is not a reliable method for assessing nutrition.
April 2017 in “Journal of dermatological science” Removing PLCg1 from skin cells caused thicker oil glands and less hair in mice.
January 2014 in “Italian journal of anatomy and embryology” Platelet Rich Plasma can help human hair grow in a lab setting.
2 citations
,
March 2009 in “Hair transplant forum international” Men generally have a certain thickness of hair at their hairline.
12 citations
,
January 2021 in “Springer eBooks”
November 2022 in “Nihon Nyuusankin Gakkaishi/Nihon Nyūsankin Gakkaishi” The lotion with N793 strain significantly increased hair density and reduced hair loss safely.
January 2017 in “Archives of Aesthetic Plastic Surgery” Hair care products with placental growth factor can improve hair thickness and density in postpartum hair loss.
54 citations
,
October 2007 in “The FASEB Journal” Phospholipase C-δ1 is crucial for normal hair development.
12 citations
,
September 2014 in “Journal of Food Science and Nutrition” Platycarya strobilacea extract is a strong antioxidant that can grow hair better than minoxidil.
14 citations
,
August 2006 in “Clinical and Experimental Dermatology” A girl with no hair neglect developed plica neuropathica in the hospital, lost all her hair, but it grew back.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
7 citations
,
January 1990 22 citations
,
January 2011 in “Indian Journal of Dermatology/Indian journal of dermatology” Cow placenta extract may help hair grow by increasing a growth factor but is less effective than minoxidil.
101 citations
,
June 2003 in “The EMBO Journal” Phospholipase Cδ1 is crucial for normal skin and hair development.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
35 citations
,
January 2011 in “Journal of Biological Chemistry” sPLA2-X is crucial for normal hair growth and follicle health.
March 2026 in “Journal of Investigative Dermatology” Folliculin slows hair growth, and blocking it might help treat hair loss.
March 2026 in “Current Bioactive Compounds” Plumbago europaea root extract may help regrow hair.
January 2020 in “Springer eBooks” 2 citations
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December 2022 in “International journal of molecular sciences” Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.
January 2021 in “Hair therapy & transplantation” Platelet-rich plasma helps human hair cells grow and survive better.
63 citations
,
October 2013 in “Dermatologic Surgery” Platelet-Rich Plasma (PRP) increases the number of new hair follicles and speeds up hair formation.
Platelet-rich plasma (PRP) can help with hair loss and improve hair transplant results.
April 2026 in “Journal of Ethnopharmacology”
January 2021 in “Nasza Dermatologia Online” Plica polonica is a rare condition where hair becomes irreversibly tangled, and the treatment is to cut the matted hair.
December 2007 in “FJ. Fragrance journal”