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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.

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.

This review discusses the benefits of plant-derived biosurfactants for cleaning and personal care, highlighting their environmental friendliness, cost-effectiveness, and positive effects on skin and hair, such as strengthening hair follicles and promoting growth, with a focus on saponin-rich Indian plants.

In this study, mannosylerythritol lipids from soybean oil notably increased fibroblast and papilla cell viability, suggesting potential as a hair growth agent.

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.

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 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.

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.

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.

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.

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.

In this study, extracts from Chenopodium quinoa, Glycine max, and Malpighia emarginata demonstrated stability, low toxicity, and effective cleaning potential as surfactants in shampoo formulations, showing performance similar to or better than commercial shampoos in terms of surface and interfacial tension and sebum removal.

This article reviews the composition and functionality of shampoos, emphasizing the role of surfactants in cleaning and conditioning hair, and reports no new experimental results.

This study found that N‐AOHPA was particularly effective as a silicone emulsifier for improving the condition of damaged hair by preventing amino acid dissolution from bleached hair.

This review discusses the advantages and properties of mucoadhesive buccal dosage forms and reports no new clinical findings; the authors emphasize the potential of spanlastics as flexible, biodegradable drug carriers.

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.

This review discusses the current research and development of mannosylerythritol lipids, particularly focusing on their potential commercial applications in cosmetics; it reports no new results.

This study investigated lipid loss in hair caused by surfactants and found that surface and internal modifications can significantly protect different lipids from depletion, with internal modification preventing 52.0 to 81.3% of lipids in certain groups.

This study explored a computer simulation method for selecting emulsion compositions in dermatology, finding that the PS biocomplex can be effectively used as an emulsifier or co-emulsifier, which streamlines the development process and reduces experimental demands.

This study found that the nonionic surfactant Brij 78 stabilized cationic minoxidil microparticles against aggregation, maintaining their substantivity in the presence of excess anionic surfactant.

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.

This study found that incorporating a block copolymer significantly alters the size and morphology of niosome drug delivery systems made of non-ionic surfactants and cholesterol, affecting their stability.

In this study, researchers synthesized new surfactants with hair repair properties, finding that they effectively restored the hydrophobic barrier of damaged hair and improved combing ease compared to untreated hair, highlighting their potential in haircare products.

The study found that the Marangoni effect causes the uneven wetting of surfactant-coated hair due to the surfactant moving into the water.

This study identified an optimal sulfate-free and silicone-free conditioning shampoo formulation using 1% hyaluronic acid at 800 kDa, 10% acidic sophorolipid, and 1% sodium chloride, which maintains essential conditioning and cleansing properties without compromising on performance.

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.

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.

Several companies launched new hair care ingredients in 2011 to improve conditioning, color retention, combability, and heat protection.

This study examined the use of emulsifiers and preservatives in soft emulsion-type drugs, suggesting that biogenic surfactants could be promising alternatives to synthetic agents that often cause side effects.