• 한국약용작물학회지
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• 제26권4호
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• pp.308-316
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• 2018

Background: The Rosa multiflora, a well-known plant belonging to Rosacea, is widely used in orthodox medicine in worldwide. However, its biological activity and cosmetic preservative efficacy have not yet been studied. Thus, this species is yet to be defined as a functional cosmetic material. Accordingly, an investigation of the above mentioned atrributes was performed on a 50% ethanol extract of Rosa multiflora. Methods and Results: The antioxidant activity was assessed through free radical scavenging assays with 2,2-diphenyl-1-picrylhydrazyl (DPPH). Additionally, the contents of total phenols and flavonoids were analyzed. The phenolic compounds were detected using HPLC. The antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Candida albicans was assessed using the disc diffusion assay. The preservative effect (challenge test) on a formulation of soothing gel was performed for 28days. The DPPH radical scavenging ability, denoted by the $SC_{50}$ (half maximal inhibitory concentration for DPPH radical scavenging) value was found to be $131.63{\mu}g/m{\ell}$. The content of total polyphenol and flavonoid content were 202 mg/g and 86.77 mg/g, respectively. In additon, astragalin and gallic acid were identified in the extract. The antimicrobial activity of the extract against S. aureus and E. coli was observed to be 5 - 0.5%, and no significant activity was noted against C. albicans. The ethanol extracts (5% and 10%) met the preservation standards of the Cosmetics, Toiletry, and Fragrance Association (CTFA). Conclusions: Thus the ethanol extract of R. multiflora can be used in cosmetics as a natural preservative and antioxidant.

• 대한화장품학회:학술대회논문집
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• 대한화장품학회 2003년도 IFSCC Conference Proceeding Book I
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• pp.540-567
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• 2003

Metabolic disease such as diabetes, which is caused by stress or imbalanced diet, has been increasing. A diabetic tend to suffer from a delay or difficulty of wound healing. The extract of SHIKON (SK), that is the root of Lithospermun erythrorhison, has been reported to have an effect on healing for normal wound, but has never studies for intractable wound so far. Therefore we examined the effect of SK extract on wound healing with healing impaired mouse model. Full-thickness round wounds were created on the backs of db/db mice and applied SK, and we observed neovascularization and collagen synthesis, distribution of apoptotic cells, and vascular endothelial growth factor (VEGF)- positive cells in granulation tissue. After two weeks, a number of capillary vessel and collagen synthesis were increased in SK-treated wounds. Infiltration of VEGF-positive neutrophils was also seen in the wound, besides apoptotic fibroblasts and endothelial cells were appeared in the granulation tissue. After three weeks, the wound closed completely with SK-treated but not in control. These results suggest that SK enhanced neovascularization by VEGF and this kind of apoptosis process makes the scar smooth. In this study, it is obvious that SK also accelerates healing of intractable wound.

• 융합정보논문지
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• 제11권1호
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• pp.216-224
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• 2021

본 연구는 서울·경기 지역의 화장품을 사용하고 있는 18세부터 50대까지 남녀 317명을 대상으로 소비자 특성에 따른 화장품 품질(안전성, 안정성, 기능성, 사용성) 인식과 만족도의 차이를 분석하였고 부작용 경험에 따른 화장품 품질인식이 만족도에 미치는 영향을 분석하였다. 화장품 품질 요인 중 사용성에는 만족하고 있었으나 안전성, 안정성, 기능성 인식은 낮게 나타나 전반적인 품질 개선이 필요하였고 특히 남성과 40대의 화장품 품질 인식과 만족도가 낮게 나타나 이를 위한 맞춤형 솔루션이 필요하였다. 화장품 부작용을 경험한 경우와 안 한 경우 모두 사용성과 기능성의 순서로 만족도에 유의한 양(+)의 영향을 미쳐 사용성과 기능성 인식의 제고가 만족도를 높이는 주요 요인으로 나타났다. 제품의 품질을 개선하고 소비자 인식에 긍정적 영향을 주는 요소들을 보완하는 것이 품질 인식과 만족도 향상에 큰 도움을 줄 것으로 생각된다.

• 복식문화연구
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• 제19권3호
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• pp.565-578
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• 2011

The purpose of this study was to examine the emotional experience dimension on the brand of the low price cosmetics and to empirically investigate the effect of emotional experience on the relationship between customers and brand. Data were collected for 10 days starting on March $2^{nd}$ 2009. Questionnaires were distributed to 517 female college students who experienced to purchase the products of the low price cosmetic brand and answers were collected. The results of analysis on collected data showed that the emotional experience was classified into sense, spatial environmental emotion, sales promotion emotion, salesperson emotion and visual/verbal identity, and emotional experience on low price cosmetic brand had a positive effect on the relationship between customer and brand. Specifically, it was showed that emotional experience on low price cosmetic brand significantly affected the customer satisfaction, brand trust and brand attachment. In terms of effect of emotional experience on customer satisfaction, the orders in the degree of influence were following: the sense, spatial environmental emotion, sale promotion emotion and salesperson emotions. In terms of effect of emotional experience on brand trust, the orders in the degree of influence were following: the sense, salesperson emotions, sale promotion emotion and spatial environmental emotion. In terms of effect of emotional experience on brand attachment, the orders in the degree of influence were following: the sense, spatial environmental emotion, salesperson emotions, visual/verbal identity and sale promotion emotion.

• 유통과학연구
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• 제13권6호
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• pp.45-70
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• 2015

Purpose - This study's purpose is to examine the effects of the country-of-origin antecedents on overall attitudes and the impact of overall attitudes on satisfaction and loyalty. Research design, data, and methodology - This study provides useful insights into international female purchasing behavior in the cosmetic industry in South Korea. This study explores the elements of country-of-origin antecedents, (cultural interest, perception of brand image, perception of fashion, perception of product quality, perception of price, and perception of advertising), on overall attitudes as well as the effect of overall attitudes on satisfaction and loyalty. Results - The results show that the effects of such antecedents are significant. Additionally, the effect of overall attitudes on satisfaction and of satisfaction on loyalty were significant. Conclusions - The findings of this study provide some important practical implications. First, with customer brand awareness growing along with products standards, considering the concepts points of parities and points of differences, the Korean cosmetic industry should try to establish brand associations with natural organic ingredients in its cosmetic items, distinguishing them from the majority of non-Korean brands.

• 대한화장품학회지
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• 제22권2호
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• pp.9-19
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• 1996

• 대한화장품학회지
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• 제16권1호
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• pp.47-63
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• 1990

Image analyser was used to understand the condition of skin surface and to evaluate the efficacy of cosmetic treatment. It was unsatisfactory to analyse skin surface structure although several methods using image analyser had been presented. We developed the new system composed of image analyser and Tandem Scanning Reflected Light Microscope (TSRLM) having the remarkable optical sectioning property as image input device. By using this new system, we quantitatively measured the change of skin surface, the depth and width of furrow in micron unit, resulted by cosmetic treatments. And also three dimensional image of skin was reconstructed with serial sectioned images, which were captured through TSRLM, for better understanding of the effect of cosmetic treatment. It was found that skin relief was more easily understood and the change of skin surface caused by cosmetic treatment was more accurately measured by using this system. In addition, we was also aware of the possibility of in vivo direct measurement of skin furrow without replica. It was conceivable that our system could be applicable for study of cosmetic effects further.

• 대한화장품학회:학술대회논문집
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• 대한화장품학회 1999년도 IFSCC . ASCS 학술대회 발표 논문
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• pp.145-154
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• 1999

A novel retinol derivative, polyethoxylated retinamide (Medimin A) was synthesized, as an anti-aging agent. Collagen synthesis, skin permeation, stability, and toxicity of Medimin A were evaluated and compared with those of retinol and retinyl palmitate. In vitro collagen synthesis was evaluated by quantitative assay of [$^3H$]-proline incorporation into collagenase sensitive protein in fibroblast cultures. For in vitro skin permeation experiments, Franz diffusion cells (effective diffusion area: $1, 766{\;}\textrm{cm}^2$) and the excised skin of female hairless mouse aged 8 weeks were used The stabilities of retlnoids were evaluated at two different temperature ($25{\;}^{\circ}C$ and $40{\;}^{\circ}C$) and under UV in solubilized state and in OW emulsion. To estimate the safety, acute oral toxicity, acute dermal toxicity, primary skin irritation, acute eye irritation and human patch test were performed The effect of Medimin A on collagen synthesis was similar to that of retinol. The skin permeability of Medimin A was higher than those of retinol and retinyl palmitate. The Medimin A was more stable than retinol and retinyl palmitate. Medimin A was nontoxic in various toxicological tests. These results suggest that Medimin A would be a good anti-aging agent for enhancing bioavailability and stability.

• Journal of Microbiology and Biotechnology
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• 제28권11호
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• pp.1814-1822
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• 2018

Most people use cosmetics to protect their skin. Preservatives are often used to prevent their contamination upon use. There has been a great demand for natural preservatives due to recent reports on the side effects of parabens. Therefore, we evaluated the antimicrobial activities of Lonicera japonica and Magnolia obovata extracts and determined their potential as natural preservatives. We found that the 50% ethanol extract from L. japonica had antibacterial activity only against S. aureus and P. aeruginosa, while the ethyl acetate fraction showed antimicrobial activity against all six microbial strains tested. On the other hand, the 70% ethanol extract and the ethyl acetate fraction from M. obovata showed antimicrobial activity against all six strains. A synergistic effect against S. aureus, B. subtilis, and C. albicans was confirmed when two ethyl acetate fractions having antimicrobial activity against all six strains were used in combination. Synergistic activity against B. subtilis was also confirmed through kill-time analysis. High-performance liquid chromatography was performed to identify the components of each extract. Based on the minimum inhibitory concentration and the results of a disc diffusion assay, we confirmed that caffeic acid and luteolin influenced the antimicrobial activity of L. japonica and that the antimicrobial activity of M. obovata was influenced by the interaction of magnolol and honokiol with other components. Therefore, this study suggests that the combination of L. japonica and M. obovata extracts may be used as a plant-derived natural preservative.

• 한국의류산업학회지
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• 제18권5호
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• pp.625-636
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• 2016

The purposes of this study were to investigate the effects of social appearance anxiety, negative body image, appearance importance on appearance management behavior and cosmetic surgery intention. For data collection, a questionnaire was administrated to 428 female college students in Gwangju City, Korea. The results were summarized as follows. To analysis the data, the SPSS 20.0 was used, and frequence analysis, descriptive statistical analysis, reliability analysis, regression analysis, F-test were conducted. The results were summarized as follows. First, social appearance anxiety turned out to have significant positive effect on appearance management behavior and cosmetic surgery intention. Second, negative body image had positive effect on appearance management behavior and cosmetic surgery intention. Third, appearance importance turned out to have significant effect on appearance management behavior and cosmetic surgery intention. The results of this study above suggest that it would be necessary to seek for measures to reduce individual's appearance anxiety, negative body image, and appearance importance. Especially, People should get the realization of the beautiful on the inside that includes personality is more important than having external beauty. And, it is considered that the requirements of the social effort and education through a school and a media as well as a family for reducing the individual's appearance anxiety, negative body image, and the serious consideration of the appearance as rejecting the discrimination based on appearance.