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    발뒤꿈치 피부 각화 개선에 대한 외용 발관리 제제의 효능 평가 연구 = Efficacy Evaluation of a Topical Foot-Care Formulation for Improving Heel Skin Keratinization

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    https://www.riss.kr/link?id=T17540486

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    다국어 초록 (Multilingual Abstract) kakao i 다국어 번역

    This study evaluated the efficacy and short-term skin tolerability of a topical foot-care formulation for improving heel skin keratinization. In addition, it examined whether video microscopic image analysis based on Otsu thresholding could provide an objective basis for assessing changes in heel keratin status within a human application study.
    A self-controlled human application design was used to observe changes in heel keratinization before and after product use. Participants applied the topical foot-care formulation to the heel according to a standardized protocol, and heel skin images were obtained under controlled measurement conditions. The acquired images were analyzed through video microscopic image analysis and Otsu thresholding, while skin responses and user-perceived changes were evaluated through investigator observation, participant reporting, and structured questionnaires.
    The topical foot-care formulation produced a statistically significant improvement in heel skin keratinization after application, and the improvement was maintained during repeated use. No clinically meaningful adverse skin reactions were observed or reported. Subjective evaluations also supported the instrumental findings, indicating favorable perceptions of exfoliating effect, moisturization, heel skin condition, and product usability.
    These findings suggest that the topical foot-care formulation may be effective for improving heel skin keratinization and may be used as a practical external foot-care approach. Furthermore, video microscopic image analysis combined with Otsu thresholding appears to be an appropriate objective method for evaluating heel keratin changes in cosmetic efficacy research.
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    This study evaluated the efficacy and short-term skin tolerability of a topical foot-care formulation for improving heel skin keratinization. In addition, it examined whether video microscopic image analysis based on Otsu thresholding could provide an...

    This study evaluated the efficacy and short-term skin tolerability of a topical foot-care formulation for improving heel skin keratinization. In addition, it examined whether video microscopic image analysis based on Otsu thresholding could provide an objective basis for assessing changes in heel keratin status within a human application study.
    A self-controlled human application design was used to observe changes in heel keratinization before and after product use. Participants applied the topical foot-care formulation to the heel according to a standardized protocol, and heel skin images were obtained under controlled measurement conditions. The acquired images were analyzed through video microscopic image analysis and Otsu thresholding, while skin responses and user-perceived changes were evaluated through investigator observation, participant reporting, and structured questionnaires.
    The topical foot-care formulation produced a statistically significant improvement in heel skin keratinization after application, and the improvement was maintained during repeated use. No clinically meaningful adverse skin reactions were observed or reported. Subjective evaluations also supported the instrumental findings, indicating favorable perceptions of exfoliating effect, moisturization, heel skin condition, and product usability.
    These findings suggest that the topical foot-care formulation may be effective for improving heel skin keratinization and may be used as a practical external foot-care approach. Furthermore, video microscopic image analysis combined with Otsu thresholding appears to be an appropriate objective method for evaluating heel keratin changes in cosmetic efficacy research.

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    목차 (Table of Contents)

    • (Abstract)
    • Ⅰ. 서론 1
    • Ⅱ. 연구 방법 8
    • 1. 연구 설계 8
    • 2. 실험설계 9
    • (Abstract)
    • Ⅰ. 서론 1
    • Ⅱ. 연구 방법 8
    • 1. 연구 설계 8
    • 2. 실험설계 9
    • 3. 연구 대상 및 표본추출 10
    • 1) 표본추출 방법 및 표본 규모 10
    • 4. 연구 재료 12
    • 1) 시험물질 정보 및 특성 12
    • 2) 주요 효능성분 및 작용기전 13
    • 5. 측정 도구 및 기기 15
    • 1) 비디오 현미경 15
    • 2) 이미지 분석 프로그램 17
    • 3) 측정 환경 및 적응 17
    • 4) 주관적 설문 도구 17
    • 5) 안전성 기록 도구 18
    • 6. 데이터 수집 20
    • 7. 데이터 분석 21
    • Ⅲ. 실험 방법 22
    • 1. 피험자 모집 및 선별 과정 22
    • 2. 시험수행 현황 23
    • 3. 발뒤꿈치 피부 각질도 24
    • 4. 이상 반응 모니터링 결과 25
    • 5. 설문 조사 결과 26
    • 1) 일반 체부 피부 상태 특성 26
    • 2) 시험물질 사용 전 체부 피부 상태 27
    • 3) 시험물질 사용감 조사 28
    • 4) 시험물질 사용 후 체부 피부 상태 29
    • Ⅳ. 연구 결과 30
    • 1. 피험자 기본 특성 30
    • 2. 각질도 측정 결과 31
    • 3. 개선율 및 통계 분석 32
    • 4. 개별 반응 양상 분석 35
    • 5. 안전성 결과 37
    • 6. 주관적 감각 결과 38
    • Ⅴ. 고 찰 40
    • Ⅵ. 결 론 45
    • 참고 문헌 48
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