May 2025 in “Science Advances” PIEZO1 helps keep hair follicle stem cells inactive, affecting hair growth.
133 citations
,
February 2019 in “PLoS Biology” Feather patterns in birds are shaped by signaling interactions and cell movements, with EDA/EDAR crucial for pattern formation.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
151 citations
,
August 2011 in “The EMBO Journal” The enzyme PA-PLA1α is important for proper hair follicle development.
Human scalp hair follicles have PGE2 and its receptors, which might affect hair growth.
3 citations
,
September 2015 in “Plastic and reconstructive surgery/PSEF CD journals” Pulsed Electric Fields can effectively stimulate hair growth in rats.
7 citations
,
April 2018 in “Facial Plastic Surgery” The endoscopic brow lift is a safe and effective way to rejuvenate the face with a low complication rate.
December 2025 in “British Journal of Dermatology” 33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
33 citations
,
August 2013 in “Current Opinion in Ophthalmology” Frontalis suspension surgery using autologous fascia lata is effective for treating unilateral congenital ptosis with poor levator function.
September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
May 2026 in “Signal Transduction and Targeted Therapy” BMP signaling is essential for forming skin structures called rete ridges, aiding skin thickness and regeneration.
128 citations
,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
2 citations
,
January 2017 in “International Journal of Trichology” Trichoscopy can reveal specific hair and scalp changes in linear morphea.
1 citations
,
September 2020 in “Journal of Dermatological Science” The gene LRRC15 is more active in balding areas of the scalp compared to non-balding areas.
11 citations
,
November 2002 in “Dermatologic Surgery” IPL can cause unexpected hair growth in nearby untreated areas.
6 citations
,
August 2024 in “Experimental Dermatology” Irisin can promote hair growth by activating a specific signaling pathway.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
June 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Changing calcium signals can create new feather buds in chicken embryos.
3 citations
,
June 2017 in “Journal of Physiology & Pathology in Korean Medicine” Puerariae Radix extract may help hair growth by increasing cell activity.
19 citations
,
August 2012 in “Cell death and differentiation” Intu gene is crucial for hair follicle formation by helping keratinocytes differentiate through primary cilia.
9 citations
,
July 2020 in “Cell Proliferation” Epiregulin can help hair grow and may be useful for treating hair loss.
21 citations
,
November 1969 in “Journal of Investigative Dermatology” A new staining method clearly shows nerves around eyebrow hair follicles.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
53 citations
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November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
September 2025 in “Cureus” Early recognition and multidisciplinary management are crucial for improving outcomes in Parry-Romberg syndrome.
6 citations
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October 2023 in “Skin Research and Technology” Endolift laser treatment significantly tightens eyelids and raises eyebrows.