Protein profiling of forehead skin can help distinguish between frontal fibrosing alopecia and androgenetic alopecia.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
December 2025 in “The Journal of Cell Biology” Keratin 15 helps maintain skin cell growth and repair.
38 citations
,
December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
53 citations
,
July 2011 in “Biomaterials” Human liver cells stick to hair protein materials mainly through the liver's asialoglycoprotein receptor.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
1 citations
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January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
January 2015 in “Journal of Nutrition and Health” Fish oil improves hair growth in diabetic and high-cholesterol rats.
25 citations
,
May 1994 in “Journal of Investigative Dermatology” Researchers found a new gene, hacl-1, that is active in mouse hair follicles during hair growth and may be important for hair biology.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
5 citations
,
February 2022 in “Seminars in cell & developmental biology” Recent findings suggest that genetic factors, immune system issues, and skin cell defects might contribute to the development of hidradenitis suppurativa.
4 citations
,
January 2019 in “International journal of molecular sciences” Genetically modified sheep with more β-catenin grew more wool without changing the wool's length or thickness.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
19 citations
,
December 2015 in “Journal of Investigative Dermatology” The protein p53 directly reduces the production of Keratin 17, a skin and hair protein, in rats with radiation dermatitis.
17 citations
,
August 2018 in “BMC Genomics” The HOXC13 gene affects different hair proteins in cashmere goats in varied ways and is controlled by a feedback loop and other factors.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
6 citations
,
April 2022 in “Frontiers in cell and developmental biology” The research identified key proteins and genes that may influence wool bending in goats.
40 citations
,
May 2005 in “Journal of Cell Science” Truncated LTBP-1 disrupts TGF-β signaling, affecting hair growth.
15 citations
,
January 2016 in “Przeglad Menopauzalny” Eating a balanced diet with specific nutrients is important for menopausal women to manage hair loss.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
15 citations
,
January 2012 in “Journal of Veterinary Science” Different dog breeds have varying skin thickness and protein expression in their skin.
49 citations
,
August 2004 in “The FASEB Journal” Mice with human skin protein K8 had more skin problems and cancer.
19 citations
,
September 2007 in “The Journal of Steroid Biochemistry and Molecular Biology” Glucocorticoid receptors help regulate genes important for skin health and hair growth.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
2 citations
,
May 2023 in “Cancer medicine” KRT80 may worsen cancer by increasing growth and spread, but its full effects on treatment and outcomes need more research.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
1 citations
,
July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
90 citations
,
December 2008 in “Journal of Investigative Dermatology” Thyroid-stimulating hormone affects hair follicles but doesn't change hair growth or color.