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Evaluation of moisturizing cream using terahertz time-domain spectroscopyEvaluation of moisturizing cream using terahertz time-domain spectroscopy
- Authors
- Choi, Geunchang; Lee, Do-Hee; Park, Ikpyeong; Kang, Dacehol; Lee, Hyun Kyung; Rhie, Jiyeah; Bahk, Young-Mi
- Issue Date
- Jul-2022
- Publisher
- Elsevier B.V.
- Keywords
- Moisturizing cream; Refractive index; Terahertz time-domain spectroscopy
- Citation
- Current Applied Physics, v.39, pp 84 - 89
- Pages
- 6
- Journal Title
- Current Applied Physics
- Volume
- 39
- Start Page
- 84
- End Page
- 89
- ISSN
- 1567-1739
1878-1675
- Abstract
- Terahertz time-domain spectroscopy is a useful tool for material characterization because it provides both temporal and frequency domain information. In this work, we perform terahertz time-domain spectroscopy for evaluation of commercial moisturizing cream cosmetics. By measurement of terahertz transmission, the change of complex refractive index by exposure of the cosmetic samples in ambient condition is obtained. The tendency of terahertz transmission change is different from that of mass change, which implies that terahertz response becomes a new characterization tool for moisturizing cosmetics. Our results show that terahertz time-domain spectroscopy has potential application on cosmetic testing. © 2022 Korean Physical Society
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