24 citations
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January 2009 in “International Journal of Trichology” Sunlight exposure ages hair, making it brittle, stiff, and dry.
10 citations
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February 2018 in “Royal Society Open Science” Modified wheat protein in shampoo repairs and smooths damaged hair effectively.
9 citations
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January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
4 citations
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January 2020 in “Elsevier eBooks” Natural polymers can protect, repair, and promote hair regrowth.
4 citations
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July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
4 citations
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November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
2 citations
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January 2014 in “Sen i Gakkaishi” The new hair straightening method keeps hair straight permanently by using specific creams and heat.
1 citations
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January 2013 in “PubMed” Permanent wave treatment with thioglycolic acid changes hair structure by altering disulfide bonds.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
January 2008 in “대한미용학회지” UV exposure severely damages hair, making it rough and weak.
24 citations
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July 2017 in “Structure” FGF9 controls which receptors it binds to through a process where two FGF9 molecules join, and changes in FGF9 can lead to incorrect receptor activation.
30 citations
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August 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” TGase 3 helps build hair structure by forming strong bonds between proteins.
3 citations
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January 2025 in “International Journal of Molecular Sciences” EGCG shows strong electron transfer interactions when bonded to DPPG lipids.
St John’s Wort can change how finasteride works in the body.
8 citations
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January 2017 in “Journal of Biological Chemistry” Astrotactin-2 is cleaved in a specific way that helps understand its maturation.
7 citations
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November 2004 in “International Journal of Cosmetic Science” Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.
33 citations
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November 2008 in “European Journal of Pharmaceutical Sciences” St. John's wort increases finasteride metabolism, reducing its effectiveness; use caution when combining them.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
St. John’s wort changes how finasteride works in the body, possibly affecting its effectiveness.
Baicalin may effectively treat hair loss by inhibiting 5α-reductase.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
August 2023 in “Journal of Student Research” Human hair keratin mixed with rubber slightly improves its strength and biodegradability.
72 citations
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September 1975 in “Biology of Reproduction” Most zinc in rat sperm is in the tail, linked to structures similar to hair keratin.
February 2025 in “International Journal of Cosmetic Science” A new amino acid derivative, ATS, improves hair texture and moisture, making it easier to straighten curly hair.
December 1998 in “Acta Crystallographica Section C-crystal Structure Communications” A new compound with strong antiandrogenic effects was found, potentially useful for treating conditions like acne and prostate cancer.
January 2026 in “International Journal of Biological Macromolecules” The hydrogel improves hair growth treatment by enhancing drug delivery and promoting follicle repair.
72 citations
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December 2009 in “Organic and Biomolecular Chemistry” Mercuric triflate is an effective catalyst for various organic reactions, working well at room temperature with high yields.