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Archives: Seminars.

Best Paper Award – A New In Vitro Approach for Determining the Water Resistance of Sunscreen Products, Validated by a Blinded Ring Test

Water resistance is a key performance attribute of sunscreen products, yet its assessment has historically relied on in vivo testing, raising ethical, practical and reproducibility challenges. This presentation introduces a new physiologically relevant in vitro approach for the determination of sunscreen water resistance. The method was validated through a blinded multi‑laboratory ring test, demonstrating robustness,… Read more »

From Fibre to Feeling: Interdisciplinary Hair Research for Innovation

Human hair has a complex structure and comes in a wide variety of colours and curl patterns. Thus, hair manageability goals vary significantly among individuals. This talk will discuss the single-fibre and hair-assembly interactions with cosmetics and their impact on consumers’ experience and hair-related goals.  Specific AI-driven approaches to exploring different dimensions of hair properties,… Read more »

In-vitro Standardized Whiteness Methodology Assessment by Extrinsic Stain Removal for Oral Care

Objective: There is a significant consumer demand for toothpastes that help whiten teeth. Teeth staining is mostly caused by dietary habits and respective extrinsic stains formation. Comparing different toothpastes whitening claims can be challenging due to variability in test substrate types, dimensions, inter-substrate variability, staining models, etc. A standardized methodology that quantifies extrinsic stain removal… Read more »

A Randomized, Controlled, Clinical Evaluation of the Effects of Water Temperature on Skin Barrier Parameters

Objective: To quantify the effects of water temperature and tap-running behaviour during routine facial cleansing on skin barrier function, skin physiological parameters, cleansing efficacy, and associated water and energy consumption. Methods: In a 10-day, randomised, controlled clinical study, 52 healthy adult volunteers (46 female, 6 male; aged 19–72 years) cleansed their face daily using a… Read more »

ISO 23675 In Vitro SPF (“Double Plate Method”): Sharing Learnings From an Industrial Research Perspective

We would like to present our research results connected to the implementation of ISO 23675 SPF in-vitro (“double plate method”) in an industrial research setting, sharing easy-to implement technical refinements, our learnings and potential extensions of the method. From our experience, ISO 23675 offers reproducible SPF in vitro testing with good correlation to in vivo… Read more »

Decoding Psychological Wellbeing in Cosmetics: Feelings, Physiology and Behaviour

Consumers no longer see the pursuit of beauty and that psychological wellbeing as independent of each other. In consumers’ minds, both have become deeply interconnected, with wellbeing representing both a route to, but also a consequence of, feeling beautiful. Psychological wellbeing is the result of a complex interplay of three distinct but interrelated domains. An… Read more »

Hair Shine Reimagined – A New Visual Method for Shine Evaluation

Objective Hair shine is one of the most desirable attributes for consumers, influencing the overall perception of hair health. The interaction of light with hair is complex, consisting of reflection, absorption and scattering all which contribute to its shine or lustre. The overall visual appearance of hair is a combination of lustre, colour and shape…. Read more »

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