August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
35 citations
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May 2011 in “Experimental Dermatology” Aging causes changes in hair follicles, leading to weaker hair growth.
3 citations
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July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
The document concludes that understanding hair's composition and the effects of treatments can lead to better hair care products.
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.
50 citations
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
31 citations
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June 2010 in “Journal of dermatology” Hair bleaching causes significant damage to hair and skin.
19 citations
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April 2021 in “Journal of Cosmetic Dermatology” The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
18 citations
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January 2008 in “Sen'i Gakkaishi” Thioglycolic acid and L-cysteine change hair structure differently during perms, affecting hair strength and curling efficiency.
11 citations
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February 2020 in “Journal of Biomaterials Science Polymer Edition” The new GelMet hydrogel can effectively support skin cell growth for tissue engineering.
May 2026 in “International Journal of Cosmetic Science” Ozonated water damages hair structure and proteins.
December 2025 in “The American Journal of Medical Sciences and Pharmaceutical Research” Ultrasonic and infrared treatments can improve hair strength and appearance with minimal damage.
February 2025 in “Theranostics” 3D bioprinting with special hydrogels can create artificial skin that heals wounds and regrows hair in mice.
49 citations
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April 2010 in “International Journal of Cosmetic Science” Hair ages as the cuticle wears down, especially beyond 1 meter from the root, affecting its strength and shine.
January 2016 in “Frontiers in Bioengineering and Biotechnology” A wool hair keratin hydrogel is promising for growing cells and tissue engineering.
52 citations
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May 2006 in “Journal of Structural Biology” Keratin-associated proteins help link filaments and affect keratin's strength.
26 citations
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March 2013 in “Journal of Biomedical Materials Research Part A” Researchers created a 3D hydrogel that mimics human hair follicles, which may help with hair loss treatments.
December 2020 in “Macromolecular Symposia” These polymers can improve hair texture and reduce water loss in hair cosmetics.
January 2011 in “Maofang ke-ji” Rabbit hair research improved its use in textiles and new applications.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Thermal protectants help reduce hair damage from heat styling.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” Thermal protectants help reduce hair damage from heat styling.
4 citations
,
June 2022 in “Journal of cleaner production” New eco-friendly method strengthens and sets hair using light and causes less damage.
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
8 citations
,
April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
February 2026 in “Macromolecular Bioscience” Keratin-based hydrogels with calcium are effective for delivering anti-fibrotic drugs.
31 citations
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December 2021 in “Materials” The gels improved wound healing in diabetic mice but need human trials.
24 citations
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January 2019 in “Biomaterials Science” The shape of fibrous scaffolds can improve how stem cells help heal skin.
15 citations
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January 2024 in “Journal of Materials Chemistry B” The hydrogel speeds up wound healing and improves skin repair better than commercial options.