7 citations
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July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
124 citations
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November 2000 in “The journal of investigative dermatology/Journal of investigative dermatology” PAD3 plays a key role in hair and skin protein structure and may be linked to skin diseases.
1 citations
,
December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
854 citations
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February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Understanding hair follicle development can help treat hair loss, skin regeneration, and certain skin cancers.
35 citations
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May 2011 in “Experimental Dermatology” Aging causes changes in hair follicles, leading to weaker hair growth.
21 citations
,
November 2011 in “The journal of investigative dermatology/Journal of investigative dermatology” Telogen is an active phase with important biological processes, not a resting phase.
5 citations
,
February 1998 in “Polymer” Human hair keratin has a 40% α-helix structure that changes to a random coil in 8 M urea.
4 citations
,
August 2016 in “PubMed” Repeated dyeing and shampooing cause hair color loss and damage.
2 citations
,
December 2024 in “Sohag Medical Journal” Insulin resistance can lead to skin problems like acne and psoriasis.
October 2025 in “Journal of the Endocrine Society” Hormone Replacement Therapy improves skin health in postmenopausal women by boosting collagen and hydration.
May 2026 in “International Journal of Cosmetic Science” UV radiation damages hair similar to bleaching, but double bleaching causes more severe protein degradation.
17 citations
,
September 2005 in “International Journal of Dermatology” African hair is more fragile due to its unique shape and internal structure.
4 citations
,
August 2018 in “Journal of cellular biochemistry” Acid inside cells speeds up aging and turns on aging signs in mice.
Chemical treatments weaken hair's thermal stability and structure.
October 2022 in “Chinese Journal of Dermatology” Dry skin does not mean the skin's protective barrier is broken; it's often due to a lack of natural skin moisturizers.
Mutations in keratin genes may link hair disorders to dental decay.
91 citations
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December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
52 citations
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April 2012 in “Journal of Investigative Dermatology” KRTAP2 genes are crucial for hair structure and may impact hair disorders and treatments.
39 citations
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February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
61 citations
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September 2010 in “Genomics” The study found that immune responses disrupt hair growth cycles, causing hair loss in alopecia areata.
30 citations
,
August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
23 citations
,
March 2001 in “Clinics in dermatology” Alopecia areata involves immune response and gene changes affecting hair loss.
9 citations
,
February 2016 in “Anatomical Science International” Hair proteins change location and structure as hair cells mature.
Transglutaminases help form strong hair by linking proteins, and can potentially alter hair properties.
226 citations
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January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
45 citations
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December 2006 in “Biopolymers” Permanent waving weakens hair by altering its protein structure.
43 citations
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July 1994 in “Journal of Cell Science” Cross-linked proteins help maintain the structure of hair, feathers, and hagfish teeth.
28 citations
,
December 2011 in “Biocatalysis and biotransformation” PDI helps restore over-bleached hair's strength and structure by attaching special peptides.
17 citations
,
August 2014 in “The Anatomical Record” Scaffoldin helps form hard skin structures in chicken embryos.