May 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” The study found that certain genes are important for hedgehog skin appendage development and immunity, with spines possibly evolving for protection and infection resistance.
June 2024 in “ChemBioChem” Replenishing free 18-MEA can help restore damaged hair surfaces.
6 citations
,
November 2018 in “Histochemistry and Cell Biology” Mongolian gerbils heal wounds differently than mice, with unique protein levels and gene expression that affect skin repair.
2 citations
,
May 2014 in “PubMed” A 10-year-old boy was diagnosed with a rare scalp condition causing hair loss and treated with a topical cream.
4 citations
,
October 2024 in “Journal of Cosmetic Dermatology” Taking natural keratin supplements improved skin, hair, and nails in women.
2 citations
,
January 2004 in “Sen i Gakkaishi” Human hair and nail proteins are unlikely to cause allergic reactions.
January 2026 in “Digitalen Hochschulbibliothek Sachsen-Anhalt (Universitäts- und Landesbibliothek Sachsen-Anhalt)” Keratin from chicken feathers can be safely used for skin benefits.
128 citations
,
February 1992 in “British Journal of Dermatology” Basal cell carcinomas likely originate from hair follicle cells or stem cells.
20 citations
,
December 1999 in “Journal of Investigative Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
December 2022 in “Deleted Journal” Sheep wool keratin solution safely and effectively promotes hair growth.
54 citations
,
January 2013 in “Journal of Biological Macromolecules” A new method effectively separates keratin-associated proteins and keratin from human hair.
53 citations
,
September 1999 in “The journal of cell biology/The Journal of cell biology” K16 can partially replace K14 but causes hair loss and skin issues.
40 citations
,
July 2015 in “Journal of Cellular Biochemistry” Cysteine helps maintain keratin production in skin cells even when iron is low.
28 citations
,
September 2013 in “European Journal of Histochemistry” Keratins in Malayan pangolins vary by region, suggesting scales evolved from the tail towards the head.
27 citations
,
September 2017 in “Journal of Medicinal Food” Annurca apple supplement safely increases hair growth and keratin in humans.
22 citations
,
August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
11 citations
,
February 2018 in “Amino acids” Copper and iron cause keratin damage in hair by converting methionine to homocysteine.
5 citations
,
February 2007 in “Cytology and genetics” Gene expression regulates keratin production for normal hair growth.
4 citations
,
December 2013 in “The Journal of Dermatology” A new mutation in the K6b gene caused a girl's late-appearing nail condition.
3 citations
,
January 2021 in “ScienceAsia” Using an enzyme and keratin treatment can significantly repair and strengthen damaged hair.
2 citations
,
February 2021 in “Journal of comparative pathology” Sheep with chronic Sarcoptes scabiei dermatitis have altered keratin expression in their skin.
2 citations
,
January 2017 in “Folia biologica” The KRTAP7-1 gene is very similar across different cattle and yak breeds and likely plays a role in hair strength and shape.
2 citations
,
January 1994 in “Nihon Chikusan Gakkaiho” Cow colostrum and milk can effectively produce anti-hair keratin antibodies.
January 2026 in “Biomaterials and Biosystems” Keratin from chicken feathers can be safely used on damaged skin.
August 2024 in “Advanced Healthcare Materials” RK81 can help promote hair growth.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
Keratin hydrogels from human hair show promise for tissue engineering and regenerative medicine.
5 citations
,
April 2005 in “Journal of applied polymer science” PEI diffuses into hair at a constant rate, and urea speeds up this process.
March 2023 in “Asian journal of beauty & cosmetology” Keratin pretreatment improves the quality of damaged hair during perming.
318 citations
,
October 1998 in “The Journal of Cell Biology” Keratin 17 is important for skin development and may help define skin cell types.