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System‑Driven Foam Generation at Reduced Surfactant Load Evaluation of Surfactant Synergy, Rheology and Dispensing Technology

Foam-based cleansing systems remain a dominant product category in personal care due to their sensory appeal, efficient spreading behaviour and perceived mildness. Conventional rinse‑off foam products typically rely on comparatively high surfactant concentrations or on highly engineered pressurised dispensing technologies to achieve dense and stable foam structures. Recent advances in dispensing concepts, however, enable new system-oriented approaches in which formulation design, rheological tuning and air incorporation mechanics are developed as interdependent performance parameters.

The present work investigates the feasibility of generating dense and cohesive foam structures at reduced surfactant load through targeted surfactant synergy, viscosity optimization and device assisted foam generation. Structured screening studies demonstrated that selected non‑ionic surfactant architectures, particularly alkyl polyglucoside‑based systems, as well as amino-derived mild surfactants, can generate application-relevant foam morphology even with low active matter levels. 

The results indicate that foam efficiency must be considered an emergent system property rather than an intrinsic characteristic of individual surfactants. This concept establishes a broader technological design space for mild and resource efficient foam cleansing solutions across multiple application categories.

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