February 2019 in “International Journal of Dermatology and Clinical Research” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
11 citations
,
January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
198 citations
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October 1986 in “Differentiation” 7 citations
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January 2025 in “Current Issues in Molecular Biology” Microbial-derived polydeoxyribonucleotide is a better and more sustainable alternative to salmon-based versions for healing and immune support.
January 2006 in “Journal of Society of Cosmetic Chemists of Japan” The new hybrid polymer improves dyed hair's color, feel, and manageability.
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.
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.
9 citations
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March 2015 in “Journal of Microbiology and Biotechnology” Ultra-high molecular weight poly-γ-glutamic acid may help promote hair growth.
1 citations
,
January 2008 in “Massey Research Online (Massey University)” A successful enzyme depilation system needs a broad-spectrum protease that doesn't harm collagen VI.
24 citations
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October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
June 2025 in “Aesthetic Cosmetology and Medicine” Polydeoxyribonucleotides may help with healing and anti-aging, but more research is needed.
October 2013 in “한국생물공학회 학술대회” Poly-γ-glutamic acid may help reduce hair loss.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
14 citations
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January 2012 in “Proteins” Electrostatic interactions mainly stabilize the binding of peptides to hair keratin.
47 citations
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July 2014 in “European Journal of Pharmaceutics and Biopharmaceutics” Scientists created a gel with nanoparticles to deliver medicine to hair follicles effectively.
3 citations
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July 2025 in “Gels” Engineered protein hydrogels improve medical treatments by mimicking natural body structures.
13 citations
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March 1999 in “Biochemical Journal” Overexpressing SSAT in mice makes them highly sensitive to polyamine analogues, causing liver damage and high mortality.
February 2025 in “Intisari Sains Medis” PDRN from salmon may slow skin aging by improving skin quality and reducing inflammation.
135 citations
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October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
24 citations
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November 1997 in “Journal of Biological Chemistry” Mouse high-glycine/tyrosine proteins have distinct patterns in hair follicles, peaking at specific hair cycle days.
January 2017 in “OPAL (Open@LaTrobe) (La Trobe University)” Collagen peptides may boost skin and hair-related gene expression.
3 citations
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July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
Plakophilin 1 helps control skin cell immune responses to prevent excessive inflammation.
73 citations
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February 2023 in “Polymers” Peptide hydrogels are promising for drug delivery and tissue repair in medicine.
3 citations
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June 2025 in “Gyemyeong uidae haksulji” PDRN is effective and safe for healing wounds and skin issues.
January 2026 in “Frontiers in Medicine” PP-PTKL may help treat hair greying, but more testing is needed.
22 citations
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May 2004 in “Tissue Engineering” PGA fiber-reinforced collagen sponges improve hair growth and skin structure.
4 citations
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December 2010 in “Copernican Letters” Synthetic polypeptides in cosmetics may help with anti-aging, but their effectiveness on real skin is uncertain.