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Characterization of Powder Cosmetics Based on Friction Dynamics
Yoshimune Nonomura1, Urara Tsuchiya1, Mayu Taguchi1
1Department of Applied Chemistry, Chemical Engineering, and Biochemical Engineering, Graduate School of Science and Engineering, Yamagata University.
Journal of Oleo Science
|September 11, 2022
Summary
Understanding powder cosmetic friction is key for product design. This study reveals three distinct friction profiles and classifies cosmetics into three groups based on their friction dynamics, aiding application insights.
Area of Science:
- Cosmetic Science
- Tribology
- Materials Science
Background:
- Frictional properties significantly influence the performance and application of powder cosmetics.
- Understanding the complex friction dynamics is crucial for developing effective cosmetic formulations.
Purpose of the Study:
- To evaluate the friction characteristics of various powder cosmetics on artificial skin.
- To identify key parameters defining powder cosmetic friction dynamics.
- To classify powder cosmetics based on their friction behavior.
Main Methods:
- Friction evaluation of 21 powder cosmetic samples using a sinusoidal motion friction system on artificial skin.
- Analysis of friction profiles at different sliding velocities.
- Application of Principal Component Analysis (PCA) and cluster analysis to friction data.
Main Results:
- Three distinct friction profiles were observed, varying with sliding velocity.
- Principal Component (Z) analysis identified static friction coefficient (μs), kinetic friction coefficient (μk), delay time (δ), and viscosity coefficient (C) as key friction dynamics parameters.
- Cluster analysis of Z revealed three distinct groups of powder cosmetics based on their friction dynamics.
Conclusions:
- The study successfully characterized the friction dynamics of powder cosmetics.
- A classification system for powder cosmetics based on friction behavior was proposed.
- These findings provide valuable insights for cosmetic formulation and application design.
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