9 citations
,
March 2005 in “International Journal of Cosmetic Science” This study found that torsional measurements can effectively distinguish the effects of hair care products on the cuticle versus the cortex of hair fibers, unlike tensile measurements.
2 citations
,
January 2004 in “PubMed” This study concluded that Polyquaternium-10 conditioner softens the surface of the scale face on hair fibers.
2 citations
,
December 1994 in “International Journal of Cosmetic Science” In this study, the combination of biologically engineered hyaluronic acid and polyquaternium-10 improved hyaluronic acid's retention and moisturizing effects on hair by forming a stable complex that increased binding affinity to keratin.
January 2010 in “EPub Bayreuth (University of Bayreuth)” This study found that Polyquaternium-87 significantly reduced friction forces on hair surfaces treated with various shampoo formulations, highlighting its potential for improving hair care products.
This study found that treatments like abrasion, bleaching, and CETAB application affect hair fiber shear modulus differently, with moisture levels notably impacting bleached fibers more than untreated ones.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” This study developed analytical methods to better understand hair treatment with cosmetic formulations, revealing that active agents primarily adsorb on the hair surface during short washes.
January 2002 in “China Surfactant Detergent & Cosmetics” This study compared shampoos and found that shampoo D, containing polyquaternium-10, guar gum, and dimethicone, was most effective in restoring chemically permed hair.
4 citations
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November 2017 in “Journal of Cosmetic Dermatology” This study found that polyquaternium-68 at pH 9 achieved the greatest hair deposition, while polyquaternium-44 demonstrated the best wash resistance at pH 6.
10 citations
,
April 2020 in “Journal of surfactants and detergents” This study found that shampoos with sugar-derived surfactants improved hair cleansing properties, were less cytotoxic, and resulted in easier hair combing compared to formulations containing sodium laureth sulfate.
2 citations
,
January 2008 in “Journal of Society of Cosmetic Chemists of Japan” PMS nanoparticles improve damaged hair by protecting and restoring its surface and color.
8 citations
,
December 2003 in “Materials Research-ibero-american Journal of Materials” Polyquaternium 7® builds up on hair, improving its look and feel, and AFM is good for measuring these changes.
4 citations
,
October 2007 in “PubMed” This study found that the PQ-70 shampoo formulation demonstrated the highest Hair Humidity Resistance Factor, indicating superior anti-frizz performance compared to other tested shampoos.
29 citations
,
August 2011 in “PubMed” This study found that selected polymeric pretreatments on hair can significantly reduce breakage and protect against thermal damage from hot flat irons by maintaining cuticle integrity and moisture.
32 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Most women preferred the 1% pyrithione zinc shampoo for better hair smoothness and less frizz while controlling dandruff.
3 citations
,
June 2019 in “Journal of cosmetic dermatology” In this study, tresses treated with pH 1.0 acid straightener showed better straightening but more damage to hair properties compared to those treated with pH 2.0.
December 2024 in “Biomedical & Pharmacology Journal” In this study, researchers developed and assessed two polyherbal hair tonic formulations, finding that Hair Tonic A containing 10% white tea extract improved hair thickness, manageability, and anti-frizz properties, particularly for blonde and black hair, while demonstrating greater stability compared to Hair Tonic B.
67 citations
,
April 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” This article reviews the development and formulation of shampoos, emphasizing their dual role as cosmetic and medicinal products, but presents no new experimental findings.
September 2013 in “Daehan hwajangpum hakoeji/Daehan hwa'jangpum haghoeji” This study evaluated the effects of a shampoo containing ginsenoside Rg3 on hair loss prevention and regrowth, with no conclusive clinical results reported.
December 2023 in “International Journal For Multidisciplinary Research” This source reviews the application of various natural substances, particularly plant extracts from the Ayurvedic system, in promoting hair growth, addressing common issues like pigmentation, dandruff, and hair loss.
3 citations
,
January 2018 in “International Journal of Cosmetic Science” In this study, researchers developed a method called the Stiffness-Angle Law and found that hair treated with caffeine-infused shampoo showed a 13.2% increase in stiffness, as measured by their novel evaluation technique.
1 citations
,
November 2023 in “International Journal For Multidisciplinary Research” In this review, the researchers explored the formulation and evaluation of a pure herbal shampoo using plant extracts, aiming to compare its physicochemical properties with synthetic and other herbal shampoos, and concluded that consumer expectation shifts towards safety and efficacy could enhance herbal shampoo popularity.
May 2026 in “Repository of the University of Ljubljana (University of Ljubljana)” This study analyzed the composition and cost of 50 cosmetic body scrubs for keratosis pilaris, finding that chemical exfoliants with glycolic acid may reduce symptoms by enhancing skin shedding and reducing water loss, but further clinical studies are needed to confirm their effectiveness.
January 2023 in “SSRN Electronic Journal” This study found that a fibroin-based cosmetic ingredient improved the mechanical properties and cuticle repair of African-American and Caucasian hair types, even when damaged by chemical treatments.
January 2014 in “University of the Arts London Research Online (University of the Arts London)” Certain ingredients can help protect hair color.
9 citations
,
June 2011 in “International Journal of Cosmetic Science” This study found that a commercially available shampoo significantly increased hair counts and reduced hair shedding in Korean subjects with alopecia over 16 weeks.
4 citations
,
March 2021 in “Journal of Surfactants and Detergents” This study found that hair treated with shampoo containing water-soluble silicone demonstrated smoother sliding and better detangling, compared to shampoo with water-insoluble silicone, due to differences in conditioning film formation.
2 citations
,
March 2005 in “International Journal of Cosmetic Science” Human hair structure varies by ethnicity, and certain treatments can improve hair condition and appearance.
1 citations
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March 2005 in “International Journal of Cosmetic Science” Twisting hair weakens it, but strength can be recovered at low twist levels.
January 2023 in “Fashion and textiles” This study found that hair dyed with anionic basic hair dye lost more color after shampooing compared to cationic and nonionic dyes, with alkaline shampoo increasing this effect.
October 2015 in “Cosmetic Dermatology” This review examines the science and technology behind temporary and permanent hair straightening, discussing the processes, potential advancements, and considerations for reducing adverse effects, but does not report new research findings.