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KMID : 1137820230440040275
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의공학회지
2023 Volume.44 No. 4 p.275 ~ p.283
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Study for Enhanced Skin Penetration of Cosmetics by Plasma-Sono Stimuli
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Hwang Yoon-Ho
Cho Hye-Youn
Park Yu-Jin
Jang Hwi-Jin
Park Sang-Hyo
Key Jae-Hong
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Abstract
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The demand for skincare has increased due to the end of the COVID-19 pandemic, leading to a focus on skincare devices and technologies designed to improve the delivery of cosmetics. Among these technologies, skin- care medical devices that utilize plasma therapy (Plasma) and sonophoresis (Sono) are commonly used in derma- tology clinics. However, there is still a lack of quantitative analysis for transdermal absorption effects of Plasma and Sono skincare medical devices. In this study, we quantified enhanced transdermal absorption effects of Plasma and Sono devices through in-silico and ex-vivo studies. The Sono treatment demonstrated an increased transdermal absorption effect, showing a 10~13% difference in penetration compared to the control group in the in-silico exper- iment, and 159% and 184% increase in the ex-vivo experiment. The Plasma treatment revealed increased trans- dermal absorption effects, with a 1.0~2.5% penetration difference in the in-silico experiment, and a 124% increase in the ex-vivo experiment compared to the control group. We also observed a synergistic effect from the combined treatment of Plasma and Sono, as indicated by the highest increases of 197% and 242% in penetration. Furthermore, we have determined the optimal device settings and treatment conditions for Plasma-Sono skincare medical devices.
Notably, higher on/off durations (Intensity levels) and longer Sono treatments resulted in greater transdermal absorp- tion effects.
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KEYWORD
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Cold plasma, Sonophoresis, Skin care medical device, Transdermal absorption, Cosmetics penetration, Skin permeability
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