Design of high-performance curling mascara through utilization of smart thermoresponsive polymer.

International Journal of Cosmetic Science
S Chen, S Amin

Abstract

In this study, methoxy poly(ethylene glycol)-b-poly(D,L-lactide), or mPEG-PLA, was used as the smart thermoresponsive polymer in our mascara formulation. The utility of mPEG-PLA in a mascara formulation was investigated by a stepwise build-up in an oil in water (O/W) emulsion. The experimental results may pave the way to a strategy of developing more cosmetic formulation with thermoresponsive shape memory polymers (SMPs). mPEG-PLA was first incorporated in a simple emulsion for rheological evaluation such as shear flow viscosity and small deformation oscillation measurements over the relevant temperature settings to mascara application. Then, wax and pigment were incorporated to complete the basic formulation as an O/W mascara and evaluated rheologically as before. Finally, the formulation was applied by a heated mascara applicator to false lashes to evaluate its curing and lifting effect. With 0.8% concentration of mPEG-PLA, the viscosity was able to increase from 0.20 Pas·s to 1.00 Pas·s. At 1.0% concentration of mPEG-PLA, the emulsion samples with mineral oil were evaluated from 55°C to 25°C for its storage modulus (G') and were found to have a consistent shear-thinning characteristic across all temperature range. The sample...Continue Reading

References

Aug 24, 2010·Aesthetic Plastic Surgery·Derek Jones
Nov 27, 2018·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Lukas PrantlMartin Gründl
Jun 21, 2017·Journal of Materials Chemistry. B, Materials for Biology and Medicine·Young-Jin Kim, Yukiko T Matsunaga

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Citations

Nov 21, 2021·International Journal of Cosmetic Science·Sarah Speer, Samiul Amin

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