January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
Lichen spinulosus, usually seen in young people, can rarely occur in adults, as shown by a 52-year-old woman with a rough, bumpy rash.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
April 2023 in “Acta Scientific Orthopaedics” The essay suggests hair loss might be caused by changes in skull bones.
19 citations
,
July 2011 in “Microscopy and Microanalysis” The hair follicle bulge is an important area for adult stem cells involved in hair growth and repair, with potential for medical use needing more research.
36 citations
,
November 1990 in “The Journal of Dermatology” Dermal papillae enhance hair follicle growth and structure.
January 2013 in “대한미용학회지” Chamaecyparis obtusa oil promotes hair growth in mice.
May 2023 in “Zenodo (CERN European Organization for Nuclear Research)”
5 citations
,
October 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” The research linked PLCD1 gene variants to the development of trichilemmal cysts.
1 citations
,
October 2023 in “The Laryngoscope” The procedure effectively removes forehead osteomas with minimal scarring and no complications.
July 2024 in “Journal of Investigative Dermatology” Cell movements and forces shape feather growth in chicken skin.
2 citations
,
October 1992 in “PubMed” WHV infection does not affect woodchuck skin anatomy.
24 citations
,
September 2002 in “Dermatologic Surgery” The study found that hair follicles are above muscle connections in the scalp, which may help protect stem cell areas.
September 2025 in “Journal of Drug Delivery and Therapeutics” Targeting hair follicles can effectively promote hair growth and treat hair disorders.
109 citations
,
November 2011 in “Nature Neuroscience” The curly mutation in SELH/Bc mice affects hair and may help study human genetic disorders.
October 1999 in “Inpharma weekly”
2 citations
,
September 2002 in “Dermatologic Surgery” Each group of hair follicles on the scalp shares one muscle that helps control hair movement.
16 citations
,
October 1992 in “Journal of cutaneous pathology” Bubble hair deformity may be caused by hair shaft trauma and can improve with gentle hair care.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
5 citations
,
February 2015 in “Ophthalmic plastic and reconstructive surgery” Two new types of eyelid cysts were identified, each with different treatment challenges.
27 citations
,
January 1983 in “Journal of the American Academy of Dermatology” A new method helps identify and classify different types of hair casts.
35 citations
,
April 2021 in “Current Biology” 12 citations
,
January 1934 in “Proceedings of the Royal Society of London Series B Containing Papers of a Biological Character” Stretched hair has a similar structure to natural silk, showing hair's elasticity involves reversible changes within its molecules.
October 2012 in “Indian Journal of Dermatology, Venereology and Leprology” 27 citations
,
March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
1 citations
,
October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
1 citations
,
September 2004 in “Dépôt institutionnel de l'Université libre de Bruxelles (Université Libre de Bruxelles)” Hair grows in three stages: growing, transitioning, and resting.
January 2005 in “Journal of Cutaneous Pathology” A unique type of complex cyst was found on a man's scrotum.