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An Experimental Study on the Dermal Effect of Skincare Apparatuses for Home Use
Byung-wook Chin 한국피부과학연구원 2021 아시안뷰티화장품학술지 Vol.19 No.2
목적: 본 연구는 퍼스널 모빌리티성을 강조한 가정용 피부미용기기가 사용자의 피부미용(특히 미백효과)에 미치는 긍정적인 효과와 심리적인 만족감을 충실히 높여 줄 수 있는 지에 대하여 객관적으로 입증하고자 한다. 방법: 본 연구는 저자극 필링기능과, 각질케 어 기능의 2가지 기능을 피 실험자 스스로가 1일 1회이상, 실시 후, 피부미백(피부밝기 및 톤 변화)에 대한 측정 및 설문지를 작성하 도록 하였다. 총 실험기간은 8주에 걸쳐 실시 되었으며, 설문지는 전체 실험 실시 후 1회, 5점 척도 평가의 설문방식으로 실시하였 다. 결과: 첫째, 제품 사용 후 피부 톤 변화에 대한 측정 결과, 18세-19세의 그룹에서는 66%, 20세 이상의 그룹에서는 83%의 효과 를 나타내어 전체 피 실험자 가운데 79%의 피부가 밝아진 것으로 나타났다. 그러나, 피부 톤 측정 툴킷으로 측정을 했을 때 오히려 어둡게 나타난 29%의 피 실험자 집단에서도 스스로 측정 오류를 인정하거나, 자신들의 시각적 느낌으로는 오히려 밝아 보인다고 하는 경우가 있었다. 이는 아마도 이번 연구. 실험에서는 세부적으로 비교를 하지 않은 색상의 변화가 개인들의 시각적 효과에 지대 한 영향을 주었을 것으로 판단된다. 둘째, 제품 사용후의 심리적 만족감에 대한 조사결과, 피부미백과 직접 관련이 있는 문항에 대 하여 79%-100%까지의 긍정적인 응답을 하였다. 결론: 본 연구를 통하여 프로페셔널 샤이닝 시스템 UP 제품이 사용자의 피부미용 (특히 미백효과)에 긍정적인 효과가 있다는 것을 알게 되었고 아울러, 제품 사용자의 심리적인 만족감을 충실히 높여 줄 수 있다는 것을 알게 되었다. Purpose: The purpose of this study is to reemphasize the validity of developing a small sized skin-care tool that is convenient to use in common households, and to objectively prove whether an at-home skin-care device with personal mobility can have the positive effects on skin (especially whitening effect) and psychological satisfaction. Methods: This study required the test subjects to use at least two functions including hypoallergenic peeling function and dead skin cell care for more than once a day. Afterward the changes in skin whitening was measured (changes in skin brightness and tone) and survey responses were collected. The study was conducted for 8 weeks’ period, and the skin color and tone was measured twice, before and after the study. The survey was taken once in a form of 5 point Likert scale. Result: First, measuring changes in skin tone after the use of the product showed that in 66% in age group of 18 to 19, and 83% in age group of over 20, the product was effective. So, in total 79% experienced increase in brightness of the skin. Among the 29% of the subjects that showed decrease in skin tone using the toolkit, some admitted that there was an error during self-measurement process, and some expressed that with naked eyes the skin appears to be brighter after using the product. This may be due to changes in colors of the skin that was not part of the measurement. Secondly, in the survey assessing the psychological satisfaction from using the product, test subjects gave 79% to 100% positive responses. Conclusion: The study confirmed that an at-home skin-care device has a positive effect on the user’s skin beauty (especially whitening effect) and psychological satisfaction of the user.
채병주(Byung Joo Chae),송병주(Byung Joo Song),김신선(Sin Sun Kim),김성근(Sung Keun Kim),전경화(Kyong Hwa Jun),송교영(Kyo Yung Song),진형민(Hyung Min Chin),김욱(Wook Kim),박조현(Cho Hyun Park),박승만(Seung Man Park),임근우(Keun Woo L 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.72 No.5
Purpose: Complementary and alternative medicine (CAM) has recently been spotlighted, and CAM can be defined as methods for treating diseases or ways to maintain physical health that out lie outside the boundaries of conventional medicine. We have conducted research to determine the status of CAM usage among Korean gastric cancer patients and their attitudes toward it, to determine what better can be done about CAM. Methods: We surveyed those patients in St. Mary Hospital who were diagnosed to gastric cancer and who volunteered to participate in this study. The survey consists of 38 questions and each question covered personal characteristics information as to whether they have used CAM, whether they were satisfied after taking CAM and their intentions for re-use. Results: A total of 195 patients answered the survey. 80 patients (41%) experienced CAM for the purpose of remedying their gastric cancer. The top leading CAM was dietary supplement for 52% of the patients, ginseng for 26% of the patients and Chinese herbal medicine for 10.8% of the patients. 54 patients (67.5%) were satisfied with the results of the CAM and they said that it had an effect on fatigue (45%). The statistics showed positive correlation between the level of education and the CAM users (P=0.001). Conclusion: The percentage of patients using CAM among the gastric cancer patients was high, up to 41%. Most of these patients wanted more information and discussion with their physicians about CAM therapies. The interesting thing was that most of the CAM was oral medicine. Based on our findings, research on the safety and effectiveness of CAM is required.