裸の皮膚上を滑らせる際に発生する摩擦と振動は、知覚される滑らかさと湿り気に関連する
Naoki Saito1, Kohei Matsumori1, Taiki Kazama1
1MIRAI Technology Institute, Shiseido Co., Ltd, Yokohama, Japan.
International journal of cosmetic science
|December 25, 2025
まとめ
新しい触覚センサーは、振動と摩擦を定量化することにより、客観的に肌触りを測定します。この技術は、スキンケア製品評価の一貫性と信頼性を向上させることができます。
科学分野:
- 化粧品科学
- 生物物理学
- 感覚科学
背景:
- スキンケア製品の消費者評価は、触覚に大きく依存しています。
- 従来の感覚評価は主観的で高価であり、明確な物理的解釈を欠いています。
- 製品開発を強化するためには、肌触りの客観的な測定が必要です。
研究 の 目的:
- 肌触りの物理的パラメータを定量化するための触覚センサーを開発すること。
- 客観的な触覚測定と主観的な感覚評価を相関させること。
- スキンケア製品評価のためのより信頼性の高い方法を確立すること。
主な方法:
- 指紋のようなプローブを備えた触覚センサーは、頬の振動と摩擦を測定するように設計されました。
- 盲検感覚評価により、滑らかさ、湿り気、弾力性などの属性が評価されました。
- 複数の回帰分析により、振動の特徴と摩擦係数が感覚スコアと関連付けられました。
主要な成果:
- 高周波振動の振幅は、知覚される滑らかさを有意に予測しました(R²=0.708)。
- 知覚される湿り気は、振動の振幅と摩擦係数によって最もよく予測されました(R²=0.584)。
- 他の感覚属性については、有意なモデルは見つかりませんでした。
結論:
- 客観的な触覚測定は、スキンケアにおける感覚用語の物理的基礎を解明することができます。
- このアプローチは、感覚パネルのトレーニングと製品評価の一貫性を向上させることができます。
- センサー技術は、より効果的なスキンケア製品開発をサポートします。
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