4 citations
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September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
13 citations
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May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
4 citations
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July 2024 in “Cureus” The treatment improved neck wrinkles and skin laxity.
February 2026 in “Medicina” Hyaluronic Acid Profhilo® reduces skin inflammation and nerve-related pain in atopic dermatitis.
July 2025 in “Journal of Investigative Dermatology” The new anti-aging ingredient improves skin hydration, elasticity, and reduces wrinkles.
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.
Hydrophobic modifications make human hair less affected by water.
12 citations
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July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
1 citations
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August 2023 in “Biomolecules & therapeutics” HAPLN1 can promote hair growth and may help treat hair loss.
Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.
3 citations
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March 2016 in “Journal of Cosmetic Dermatology” GPIGS peptide increases thick hair growth in balding Japanese men.
15 citations
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October 1999 in “British Journal of Dermatology” Collagen remodeling is more active during hair growth stages.
September 2016 in “Toxicology letters” The 5050 MHA42MCS45 hydrogel blend is suitable for repairing load-bearing soft tissues.
June 2024 in “Synthetic and systems biotechnology” A fragment of human type XVII collagen shows great potential for skin health and wound healing.
6 citations
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June 2016 in “Journal of cellular biochemistry” The Hr protein binds to DNA, interacts with p53, and affects cell cycle genes.
99 citations
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May 1998 in “Journal of biological chemistry/The Journal of biological chemistry” Small proline-rich proteins and trichohyalin help make epithelial tissues tougher and more flexible.
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January 2014 in “Medical Entomology and Zoology” 37 citations
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March 2008 in “Journal of Cell Science” The mutation causing Hutchinson-Gilford progeria syndrome leads to severe skin problems and early death in mice.
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March 1996 in “Journal of Investigative Dermatology”
2 citations
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September 2004 in “International Journal of Cosmetic Science” Hair quality is genetically determined and linked to its composition and strength.
51 citations
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
5 citations
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October 2013 in “Experimental Dermatology” The commentary explains that a balance of HR protein and putrescine is important for normal hair growth.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
March 2026 in “International Journal of Cosmetic Science” Pal-KCV peptide strengthens hair and reduces breakage by up to 52%.
July 2024 in “International journal of agriculture and food sciences research.” The new fish peptide conditioner significantly improves and repairs damaged hair better than a commercial wheat protein conditioner.
17 citations
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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.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
22 citations
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January 1990