17 citations
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
12 citations
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June 2011 in “Journal of applied polymer science” L-phenylalanine and hydrolyzed eggwhite protein deeply penetrate human hair.
6 citations
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September 2013 in “Advanced materials research” Non-ionic silicone emulsion best protects hair color from sunlight.
May 2026 in “Brazilian Journal of Hair Health” Bleaching damages hair the most, while dyes improve combability but still cause protein loss.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
January 2024 in “International Journal of Cosmetic Science” A new method using 1,4-n-butylene dimaleate effectively repairs and strengthens damaged hair.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
January 2012 in “Surgical & Cosmetic Dermatology” Nutrition can improve hair strength and reduce breakage.
March 2005 in “International Journal of Cosmetic Science” DVI provides detailed 3D imaging of hair and shows how various products protect and enhance hair.
January 1995 in “Journal of the Society of Cosmetic Chemists” Transglutaminase does not modify human hair.
117 citations
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August 2005 in “Ultramicroscopy” Human hair's strength and flexibility vary by ethnicity, damage, and treatment.
41 citations
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February 2012 in “Journal of Neuroendocrinology” Allopregnanolone helps control oxytocin levels during pregnancy to prevent preterm labor.
20 citations
,
June 2012 in “British Journal of Dermatology” Bleaching hair damages protein structure, especially keratin, leading to weakened hair.
14 citations
,
July 2007 in “Lupus” Multiple pregnancies prevent skin disease but worsen kidney disease in certain mice.
14 citations
,
January 1996 in “Journal of Forensic Sciences” Hair can absorb and transfer opiates when soaked in water, with damaged hair absorbing more.
4 citations
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November 2024 in “Scientific Reports” 16-MHA can restore damaged hair's protective barrier and moisture balance.
3 citations
,
August 1980 in “Acs Symposium Series” Hair increases in size when it absorbs water, and treatments like bleaching affect how much water it can take in.
1 citations
,
January 2021 in “Elsevier eBooks” Olive and olive oil help prevent and manage heart diseases.
1 citations
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October 2005 in “Experimental and Clinical Endocrinology & Diabetes” Allopregnanolone and opioids together reduce stress hormone responses during pregnancy.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
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.
July 2024 in “Journal of Investigative Dermatology” A peptide in shampoo can promote hair growth and improve hair condition.
October 2021 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” The active ingredient improves the strength of damaged hair fibers.
January 2020 in “한국미용학회지” Musa extracts protect hair from damage during chemical treatments.
85 citations
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October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
December 2023 in “Data in Brief” Curly hair's strength and flexibility vary with moisture and temperature.
May 2023 in “Accounts of chemical research” New methods can better classify curly hair types and lead to improved hair care products.
65 citations
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March 2017 in “Experimental Dermatology” Curly hair is influenced by specific genetic variations.
January 2009 in “Nihon Keshouhin Gijutsushakaishi/Journal of S C C./Nihon Keshouhin Gijutsushakai kaishi” Curved human hair has different structures on each side, which might cause its shape and is similar to wool.
March 2018 in “Journal of Experimental Biology” Hair curliness is caused by the arrangement and length of two different cell types.