August 2005 in “Microscopy and Microanalysis” Polymethylene wax in hair relaxers makes hair smooth and shiny with less damage.
25 citations
,
May 2008 in “Journal of cosmetic dermatology” This study found that adding certain conditioning agents, including jojoba oil and lauryl PEG/PPG‐18/18 methicone, to ammonium thioglycolate straightening emulsions protected Afro-ethnic hair from protein loss and improved resistance to breakage.
5 citations
,
January 1992 This study found that dimethicone with high molecular weight improved hair surface characteristics, while dimethicone copolyol and amodimethicone enhanced manageability by reducing friction or aiding styling on damaged hair.
1 citations
,
September 2008 in “International Journal of Cosmetic Science” This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that cationic surfactant-based conditioning systems significantly improve hair combability by forming a stable low-friction film on hair surfaces, reducing friction and enhancing sensory performance compared to standard systems, as confirmed by both instrumental and sensory evaluations.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that cationic surfactant-based conditioning systems significantly reduce friction on hair fibers, improving wet and dry combability by forming a stable film layer on the hair’s surface, as verified by both instrumental and sensory evaluations.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers formulated a herbal hair dye with natural ingredients, including Barleria prionitis, and found it to be stable, effective, and a promising natural alternative to chemical dyes, enhancing color intensity and hair conditioning compared to formulations without this component.
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.
40 citations
,
February 2002 in “International Journal of Dermatology” In this study, hair damaged by permanent dye showed signs of recovery over time, with near complete restoration to its original state after eight weeks.
21 citations
,
July 1988 in “Clinics in dermatology” This article reviews haircare practices and hair cosmetics for patients with alopecia, emphasizing healthy scalp maintenance and caution in styling; it reports no new clinical results.
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.
July 2026 in “International Journal of Innovative Science and Research Technology (IJISRT)” This study developed and tested a Brahmi-based herbal shampoo, finding it effective for cleaning hair, maintaining suitable pH and foaming properties, and being stable and safe for regular use without irritation or damage.
April 2026 in “International Journal for Research in Applied Science and Engineering Technology” In this study, the developed polyherbal shampoo with Hibiscus rosa-sinensis exhibited good stability and cleansing properties, suggesting it may be an effective natural alternative to synthetic anti-hair fall products.
April 2026 in “Lebda Medical Journal” The researchers in this study conducted a comparative analysis of hair and body shampoos, finding notable physicochemical differences, such as body shampoos having lower surface tension and higher foam heights, while hair shampoos were more acidic, potentially to meet different biological and sensory needs.
September 2025 in “International Journal of Cosmetic Science” This study found that for straight hair, friction mainly influences fragment formation during combing, suggesting no direct connection to tensile fatigue failure, while with textured hair, combing performance may be more complex.
March 2009 in “CRC Press eBooks” This paper reviews how hair conditioners work, primarily by reducing combing forces through lubrication, and reports no new clinical findings.
3 citations
,
June 2007 in “Journal of Cosmetic Dermatology” This review discusses the causes of hair shaft abnormalities and highlights the role of cosmetic products in treating hair disorders, though it reports no new clinical findings.
6 citations
,
January 2018 in “Research Journal of Topical and Cosmetic Sciences” In this study, researchers developed an herbal liquid shampoo using ingredients like shikekai and tulsi powder, aiming for safety and efficacy without the damaging effects of chemical alternatives, and found that it could clear dandruff and dirt while enhancing hair strength and growth.
September 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” This study developed a biobased copolymer called SELP::KP, showing improved hair strength, elasticity, and conditioning properties while being a safer alternative to conventional chemical treatments, based on application to human hair in a laboratory setting.
December 2014 in “Nicolaus Copernicus University Repository (Nicolaus Copernicus University)” In this study, UV-light at 254 nm and Polyquaternium-7 treatment were found to affect the mechanical properties and surface structure of hair.
6 citations
,
May 2022 in “Frontiers in Microbiology” This review evaluates the potential of natural products from marine microorganisms for cosmetic applications and reports no new experimental results, highlighting challenges and prospects in their use.
February 2022 in “Journal of pharmaceutical research international” In this study, a herbal shampoo was formulated with ingredients such as neem, hibiscus, and aloe vera, aimed at promoting hair growth, reducing dandruff, and enhancing hair strength; the shampoo was evaluated for its physical and chemical stability.
March 2011 in “Focus on surfactants” Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.
July 2026 in “Open Minds International Journal” This review suggests that multifunctional cosmetic systems, particularly HIVEN Curl Code ®, may help control frizz and maintain curl definition in highly curly hair by utilizing various conditioning and biofunctional ingredients.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review suggests that natural herbal hair gels may effectively promote hair health and provide desirable cosmetic performance, emphasizing their multifunctional potential and alignment with consumer preferences for sustainable products.
November 2025 in “Zenodo (CERN European Organization for Nuclear Research)” This review examined natural hair gels, incorporating an experimental polyherbal gel, and reported that these formulations possess multifunctional benefits for hair health, while also highlighting the importance of product safety and potential for innovative delivery systems.
This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.
1 citations
,
January 2010 in “LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)” In this study, adding conditioning agents PA1, PA2, and PA3 to light blonde oxidative hair dyes improved combability and protein retention of light brown hair without affecting tensile strength, though PA1 and PA2 offered enhanced thermal protection.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, a herbal hair dye was formulated and tested, showing good stability and quality. The addition of Barleria prionitis flower enhanced color intensity and conditioning effects, suggesting it as a safe and effective natural alternative to chemical dyes.
November 2016 in “University of the Arts London Research Online (University of the Arts London)” This study concluded that adding polymeric conditioning actives to shampoos improved color retention in permanently dyed hair, while additional cationic dyes at certain pH levels weakly dyed the hair directly.