5 citations
,
January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
9 citations
,
February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
24 citations
,
June 2003 in “Journal of Structural Biology” Sheet formation is key to macrofibril structure differences in wool.
226 citations
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January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
62 citations
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June 1993 in “Archives of Dermatological Research” 63 citations
,
December 1998 in “Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology” The study improved understanding of keratin fiber structure by showing consistent microfibril diameter but varying distances and electron density profiles.
23 citations
,
January 2023 in “Journal of Developmental Biology” Reptile skin protects and prevents water loss, helping them adapt to land.
70 citations
,
March 1997 in “Journal of Investigative Dermatology” 55 citations
,
January 2013 in “International Journal of Cosmetic Science” African hair's keratin structure is influenced by its higher lipid content.
30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” The lipid in human hair follicles acts as a barrier, similar to the skin's lipid layer.
1 citations
,
June 2023 in “International journal of biological macromolecules” Human hair proteins can help blood clot when mixed in equal parts.
7 citations
,
January 1992 in “Acta Histochemica” Porcine and human pilosebaceous units are very similar.
7 citations
,
February 1982 in “Australian Journal of Biological Sciences” Epithelial cells from young rat hair follicles grow and form aggregates in culture, but don't produce hair keratin proteins.
66 citations
,
April 1995 in “The journal of cell biology/The Journal of cell biology” A new protein was made to detect specific skin cell growth receptors and worked in normal skin but not in skin cancer cells.
6 citations
,
April 2005 in “Journal of dermatological science” The study found nine new hair protein genes in human hair follicles.
March 2026 in “Cosmetics” Type I collagen, elastin, keratin, ceramides, and melanin improve hair strength, growth, and health.
12 citations
,
May 2016 in “Experimental Dermatology” A new skin model from hair follicles is a safer, simpler alternative for skin tests.
2 citations
,
February 2021 in “FEBS open bio” Human hair keratins K85 and K35 create unique filament patterns important for early hair formation.
November 2025 in “Journal of Investigative Dermatology” January 2011 in “Journal of Tissue Engineering and Reconstructive Surgery” Using dermal papillae cells and keratinocytes in skin substitutes speeds up healing and helps form hair follicles and glands.
121 citations
,
December 2001 in “American Journal of Dermatopathology” TB and BCC tumors show similar follicular differentiation patterns.
10 citations
,
December 2001 in “PubMed” The conclusion is that substances can penetrate hair fibers through multiple pathways, including both the cell membrane complex and the non-keratinous parts.
3 citations
,
January 1984
16 citations
,
October 2014 in “Oral surgery, oral medicine, oral pathology and oral radiology” Keratoacanthoma comes from hair follicle cells.
April 2013 in “Cancer Research” SKH1 hairless mice have identifiable epidermal stem cells with specific markers.
122 citations
,
January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
105 citations
,
May 2013 in “Biomaterials” Human hair keratin hydrogel may aid nerve repair better than traditional methods.
14 citations
,
January 2021 in “Stem cell research & therapy” Human skin cells with stem-like features can help create new hair follicles and sebaceous glands when combined with other cells.
4 citations
,
October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
5 citations
,
December 1996 in “Biochemical and Biophysical Research Communications” Mouse hair keratins mHa1 and mHb4 can't form a strong network on their own in cells.