23 citations
,
February 2004 in “British Journal of Dermatology” Keratin in mouse hair follicles is complex and plays specific roles.
June 2023 in “Journal of Cosmetic Dermatology” The treatment combining platelet-rich plasma and a non-cross-linked hyaluronic acid compound significantly improved hair density and reduced bald areas in women with androgenetic alopecia, and it's safe with only mild side effects.
162 citations
,
December 2008 in “Stem Cells” Hair follicle stem cells can become corneal-like cells, potentially helping restore vision.
28 citations
,
July 2000 in “PubMed” Hair structure forms the same way inside and outside the body.
July 2025 in “Dermatology Practical & Conceptual” Hair changes and a high occipital hairline may help diagnose Trichorhinophalangeal Syndrome.
14 citations
,
January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
18 citations
,
January 2015 in “Experimental Dermatology” New mutations in KRT83 and KRT86 are linked to the hair disorder monilethrix.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
4 citations
,
January 2019 in “Micron” Fetal hair follicles have melanocytes with melanosomes at different stages, which are broken down into pigment particles in keratinocytes.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
31 citations
,
January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
74 citations
,
January 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the DSG4 gene can cause a rare hair disorder similar to monilethrix.
53 citations
,
June 1983 in “Journal of Investigative Dermatology” The enzyme is crucial for skin cell development and can be activated without proteolytic activation.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
61 citations
,
February 1982 in “Cell and Tissue Research” 26 citations
,
January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
1 citations
,
May 2004 in “Biochemical and Biophysical Research Communications” Two new gene clusters important for hair formation were found on human chromosome 11.
7 citations
,
November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
49 citations
,
July 2007 in “Ophthalmic Plastic and Reconstructive Surgery” Surgical excision is an effective treatment for persistent nodules from poly-L-lactic acid injections.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bumps with stem cells might contribute to permanent hair loss by getting disconnected due to scarring.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
54 citations
,
January 1995 in “Human Molecular Genetics” Monilethrix is linked to a gene cluster on chromosome 12.
August 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Different types of skin cells create unique support structures that can affect skin cell growth and could help in skin repair.
30 citations
,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
May 2026 in “World Journal of Advanced Research and Reviews” A rare foot cyst was successfully diagnosed and removed without cancer.
February 2024 in “Bioengineering” The hydrogel made of chitosan, HPMC, and insulin speeds up wound healing and could be a new dressing, especially for diabetics.