January 2014 in “University of the Arts London Research Online (University of the Arts London)” Certain ingredients can help protect hair color.
19 citations
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January 2022 in “Journal of Nanomaterials” This study concluded that an adapalene nanohydrogel containing Tween-80 could be a promising and stable topical treatment option for acne vulgaris due to enhanced skin permeability and stability compared to other formulations.
24 citations
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November 2009 in “Pharmaceutical Development and Technology” This study found that Transcutol P significantly enhanced the skin penetration of Finasteride in vitro, while cationic and anionic surfactants did not show such effects.
August 2024 in “International Journal of Pharmaceutics” This study found that a specially designed water-in-oil microemulsion containing Panax notoginseng saponins improved hair density and other hair health indicators in mice with telogen effluvium and androgenetic alopecia, offering a promising multi-mechanism strategy for alopecia treatment with potentially fewer side effects than traditional methods.
39 citations
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November 2015 in “Nanomedicine” This study found that the developed Finasteride-loaded SMEDDS improved the relative bioavailability of the drug compared to a commercial tablet, offering a promising oral delivery system for glucosteroid analogs.
February 2024 in “International Journal For Multidisciplinary Research” This review examines the advances in nanostructured lipid carriers for treating hyperpigmentation but presents no new clinical results; the authors highlight their potential benefits and applications.
November 2024 in “Journal of Cosmetic Dermatology” This study found that valproic acid-loaded microemulsion formulations enhanced skin penetration pathways in guinea pigs compared to an aqueous solution, with composition elements like oil content and surfactant ratios significantly affecting drug delivery performance.
3 citations
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October 2014 in “Pharmaceutical Development and Technology” This study found that an optimized microemulsion for minoxidil with high solubility, permeation flux, and skin deposition can be achieved with specific low and high levels of certain surfactants and co-solvents.
2 citations
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May 2023 in “Nanomaterials” This review explores the formulation, characterization, and applications of microemulsions, highlighting their potential for enhanced cutaneous drug delivery by improving bioavailability and enabling sustained release of both hydrophilic and hydrophobic drugs.
March 2025 in “Scientific Reports” This study evaluated a menthol-based microemulsion for transdermal delivery of finasteride and silodosin, finding that it enhanced skin permeation and flux compared to aqueous solutions, suggesting a promising method for managing benign prostatic hyperplasia.
10 citations
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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.
3 citations
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August 2025 in “Fermentation” In this study, researchers produced a biosurfactant from yeast that effectively reduces surface tension, acts as a good oil emulsifier, demonstrates antioxidant and antimicrobial properties, and exhibits no cytotoxicity, suggesting its potential use in eco-friendly cosmetic formulations.
October 2018 in “Focus on surfactants” 1 citations
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November 2023 in “Cosmetics” This study found that washing hair with surfactants reduces the internal density of hair due to cuticle lifting, and suggests that a cuticle-sealing strategy can inhibit this effect and maintain hair homeostasis.
This article reviews the roles and types of surfactants and ingredients in modern shampoos, discussing their contributions to cleansing, conditioning, and cosmetic effects, but reports no new experimental findings.
11 citations
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January 2023 in “BioMed Research International” This review discusses the use of microbial biosurfactants as a safer alternative to chemical surfactants in cosmetics due to their antibacterial, moisturizing, and low toxicity properties, but it reports no new clinical findings.
42 citations
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January 2009 in “Colloids and Surfaces B: Biointerfaces” This study found that dimethylpabamidopropyl laurdimonium tosylate, a quaternary ammonium surfactant, adsorbs onto human scalp hair with kinetic and isotherm behaviors fitting specific models, changing hair fiber wettability from hydrophobic to hydrophilic.
12 citations
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January 2009 in “Journal of Oleo Science” The researchers reported that sterol surfactants with a bulky planar structure effectively solubilized ultraviolet ray absorbers, offering a stable solution more efficiently than other surfactants.
39 citations
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January 1979 in “Journal of the Society of Cosmetic Scientists of Korea” This study observed that surfactants in cosmetic treatments can bind to keratinous tissues like hair and nails, affecting their tensile properties and possibly leading to deterioration depending on the specific detergents used.
3 citations
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January 1989 in “Journal of Japan Oil Chemists Society” This study examined the effects of six surfactants on hair and scalp, finding varying irritation levels and impacts on protein denaturation and scalp turnover time, with AMT suggested as a good detergent.
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.
14 citations
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January 2025 in “AAPS PharmSciTech” This review highlights the promising potential of microemulsions and nanoemulsions in (trans)dermal drug delivery, noting a gap in understanding their distinct mechanisms and composition-related effects on skin permeability, while emphasizing the limited clarity on mesostructures and cosolvent impacts.
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.
1 citations
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January 2019 in “Archives of Clinical and Medical Case Reports” In this study, researchers identified two mechanisms of lipid loss from hair when exposed to surfactants, with the mechanism depending on the lipid's hydrophobicity.
September 2025 in “Journal of Surfactants and Detergents” In this study, shampoos containing sodium lauroyl methylaminopropionate showed superior coacervate formation and lubrication on wet hair, outperforming other amino acid surfactants and suggesting potential for creating low-irritation, high-performance hair products.
10 citations
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November 1984 in “Journal of Colloid and Interface Science” The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.
40 citations
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January 2018 in “Pharmaceutics” This study found that nanoemulsions incorporating skin penetration enhancers significantly increased the permeation of minoxidil through human skin compared to aqueous control solutions.
15 citations
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November 2017 in “Drug Development and Industrial Pharmacy” This study found that the optimized finasteride-loaded lyophilized tablets using a self-nanoemulsifying drug delivery system improved bioavailability in human volunteers compared to the marketed finasteride product.
1 citations
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May 2025 in “Discover Chemistry.” This review highlights that although mangiferin, a polyphenol from the mango tree, faces challenges like low solubility and bioavailability, delivery vehicles such as nanoparticles and complexes have the potential to enhance its therapeutic effectiveness in treating various diseases.
September 2025 in “International Journal of Cosmetic Science” This study found that a 0.5% cationic guar gum and 0.5% anionic surfactant formulation formed stable coacervates with improved adhesion and coverage on damaged hair, suggesting it may enhance the effectiveness of hair conditioning products compared to other ratios.