Polyion Complex Technology for Cosmetic Transfer Prevention

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  • ポリイオンコンプレックスを使用した，二次付着防止機能を持つ化粧品
  • ポリイオンコンプレックス オ シヨウ シタ,ニジ フチャク ボウシ キノウ オ モツ ケショウヒン

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Abstract

<p>Lastingness is one of the strong needs of consumers for the cosmetics of daytime use, such as sunscreens and foundations. Cosmetic transfer to masks is also an annoying point for consumers even before the COVID-19 pandemic. Various technologies have been developed to solve these needs gaps, but there are still very few environmentally friendly solutions, i.e., with sustainable materials. We developed a technology called PGP (Polyion complex Gel Particles), by introducing dynamic cross-linking to polyion complex using sustainable materials, and applied it to sunscreen BB cream. In vitro and in vivo tests of the formulations and consumer use tests confirmed that the PGP technology provides better color transfer protection and longer-lasting sunscreen efficacy than existing technologies while maintaining usability. This is due to the high encapsulation and film formation abilities of PGP, which allows pigments and lipophilic UV filters to be confined in the cosmetic film, and to the self-recovering function of the cosmetic film thanks to the structural change of PGP through dynamic cross-linking reconstitution. We consider that PGP can solve the strong lasting needs of consumers with an environmentally friendly approach, and is a technology that can be widely applied to different cosmetic products across categories.</p>

Journal

  • Oleoscience

    Oleoscience 23 (1), 5-10, 2023

    Japan Oil Chemists' Society

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