50 citations
,
May 2019 in “BioFactors” Pollution increases a compound in the skin that can lead to faster aging and more inflammation.
13 citations
,
September 2014 in “Journal of photochemistry and photobiology. B, Biology” UV radiation increases protein loss from hair and reduces hair protein quality.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.
12 citations
,
October 1954 in “Textile Research Journal” Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.
10 citations
,
March 2005 in “International Journal of Cosmetic Science” Oxidation changes human hair by breaking down fats and forming new acidic groups, affecting how it interacts with conditioners and cosmetics.
January 2014 in “한국미용학회지” UV-A radiation significantly damages semi-permanent dyed hair.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
20 citations
,
October 2018 in “Physics and chemistry of liquids” Minoxidil dissolves better in ethanol-water mixtures at different temperatures, with water playing a key role.
5 citations
,
November 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
January 2022 in “Physics and Chemistry of Liquids” Chemical treatments weaken hair's thermal stability and structure.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Bleaching and UV exposure significantly damage hair.
18 citations
,
August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
4 citations
,
July 2022 in “International Journal of Cosmetic Science” Hair moisture behavior helps tell apart different chemical treatments and reveals insights into hair structure.
January 2016 in “Huanjing yu Jiankang Zazhi” January 2007 in “Journal of Instrumental Analysis” A new method accurately detects tiny amounts of chloroform and dichloromethane in finasteride.
2 citations
,
February 1983 in “International Journal of Cosmetic Science” Selenium disulphide detergents increase hair oiliness by boosting some lipids and reducing fatty acids.
5 citations
,
January 2024 in “Crystals” The salts have diverse molecular packing with significant hydrogen interactions.
6 citations
,
July 2007 in “Organic Process Research & Development” Alcoholic solvent improves selectivity in key intermediate for finasteride and dutasteride synthesis.
7 citations
,
September 2024 in “Scientific Reports” Sebum samples remain stable under various storage conditions, making them suitable for remote and at-home testing.
December 2025 in “Brazilian Journal of Chemical Engineering” 24 citations
,
April 2016 in “Experimental Dermatology” Chemical treatments like dyeing, perming, and bleaching damage hair by altering amino acids and lipids.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
11 citations
,
January 2006 in “Journal of the American Leather Chemists Association” Oxidizing agents break down keratin in wool and hair, causing swelling and increased solubility.
12 citations
,
April 2023 in “Pharmaceutics” Semifluorinated alkanes are promising for delivering drugs in various medical applications.
April 2018 in “Journal of Investigative Dermatology” Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
16 citations
,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
3 citations
,
January 2012 in “American Journal of Analytical Chemistry” A new method effectively analyzes Finasteride and its impurities, even under stress conditions.
September 2010 in “International Journal of Cosmetic Science” Chemical treatments change hair surface properties, making it more hydrophilic and able to bind conditioners.
October 2000 in “Pediatrics in Review” The document's conclusion cannot be summarized because the content is not available to parse.