81 citations
,
December 2007 in “Acta materialia” AFM helped show how hair changes under tension and the effects of damage and conditioner.
7 citations
,
September 2020 in “International Journal of Cosmetic Science” Different sizes of keratin peptides can strengthen hair, with smaller ones possibly increasing volume and larger ones repairing damage.
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.
November 2024 in “Journal of Cosmetic Dermatology” MSC exosome therapy improved hair quality in patients with acquired trichorrhexis nodosa.
March 2016 in “The Korean Society of Beauty and Art” MSG-based hair hardener improves hair thickness, strength, and wave retention after perms.
September 2011 in “Daehan miyong hakoeji” Henna orange powder, especially with alkali, protects and colors hair better than oxidizing colorants.
226 citations
,
January 2006 in “International review of cytology” Keratin-associated proteins are crucial for hair strength and structure.
52 citations
,
May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
12 citations
,
July 2017 in “International Journal of Cosmetic Science” N‐AOHPA is a promising alternative to traditional surfactants for better hair conditioning.
9 citations
,
January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
1 citations
,
January 2021 in “Springer Proceedings in Materials” Researchers developed a new method to clearly see and label hair proteins with minimal errors using advanced freezing and microscopy techniques.
1 citations
,
July 2024 in “International Journal of Cosmetic Science” Infrared techniques reveal glycogen, unsaturated lipids, and calcium compounds in hair.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
June 2025 in “Current Issues in Molecular Biology” Minoxidil, caffeine, and biotin can improve hair shine by restoring certain genes.
15 citations
,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
16 citations
,
May 2015 in “Tissue Engineering Part C-methods” A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.
2 citations
,
February 2023 in “International journal of molecular sciences” Body hairs can be used in forensic science and toxicology like scalp hair.
1 citations
,
July 2023 in “Biomimetics” A new hair treatment using a natural polyphenol complex improves hair strength, reduces static, and protects against UV damage.
1 citations
,
November 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” Male and female human hairs have different microscopic structures that can help in forensic analysis.
1 citations
,
August 2022 in “Chemical engineering journal advances” Scientists made human hair magnetic by coating it with special nanoparticles.
July 2025 in “Journal of Cosmetic Dermatology” The model shows how heat damages hair, helping test hair care products.
July 2025 in “Scientific Reports” Fermented grapeseed oil effectively repairs and protects chemically damaged hair.
January 2025 in “Dermatology Research and Practice” The treatment effectively repairs and strengthens damaged hair by restoring natural lipids.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.
April 2019 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Hair straightening at pH 1.0 improves alignment but weakens hair more than pH 2.0.
272 citations
,
September 2001 in “Journal of Biological Chemistry” Human hair keratins were cataloged, showing their roles in hair differentiation stages.
248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
93 citations
,
July 2006 in “Journal of Investigative Dermatology” K25, K27, and K28 are found in all inner root sheath layers of hair, while K26 is only in the cuticle.
56 citations
,
January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.