• 제목/요약/키워드: anti-wrinkle effects

검색결과 271건 처리시간 0.019초

Efficacy Evaluation of Anti-wrinkle Products in Japan

  • Masaki Hitoshi
    • 대한화장품학회지
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    • 제29권2호
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    • pp.67-77
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    • 2003
  • Two categories of cosmetic products, cosmetics and quasi-drugs, have been established by the Ministry of Health, Labor and Welfare (MHLW) in Japan. Japanese pharmaceutical law has defined that products categorized as cosmetics do not exhibit any effects on human skin. In fact, cosmetic products are not permitted to claim any efficacy. On the other hand, products in the quasi-drug category can claim several efficacies such as anti-inflammatory effects, whitening/lightning effects, hair growth effects and so on. Unfortunately, the Japanese MHLW has not yet approved the efficacy of anti-aging/anti-wrinkle effects as a claim point. However, the population is aging, and the demand for anti-aging/anti-wrinkle products is increasing year by year. Japanese cosmetic companies have proposed to the MHLW that anti-aging/anti-wrinkle agents be approved as a claim concept of a quasi-drug. However, unified evaluation methods for anti-aging/anti-wrinkle effects have not been established. Currently, each company evaluates the efficacy of products/materials using their own original methods. Thus, to request approval of the MHLW, the establishment of a unified evaluation method is needed. Consequently, the Japan Cosmetic Industry Association (JCIA) has established a task force to develop guidelines for evaluating anti-wrinkle effects in 1998. In conclusion, the JCIA would like to adopt visual and image analysis scales to evaluate the anti-wrinkle effects objectively. Generally, wrinkles are roughly classified into three groups as fine wrinkles, linear deep wrinkles and crow's feet. However, academic societies of dermatology or cosmetics have not yet established a definition of wrinkles in Japan. Thus, in advance of setting up an evaluation method, the definition of wrinkles f3r evaluation must be decided. Wrinkles are defined by the task force of the JCIA as follows; furrows that people can recognize visually and that appear on the forehead, the corners of the eyes and the backs of the neck with aging. In addition, furrows are emphasized by exposure to solar light and by dry conditions. Visual evaluation is the most sensitive method and can be applied to most types of wrinkles. However, visual evaluation is hard to express digitally as results. Besides, in the case of image analysis, comparisons of data obtained from distinct examinations can not be done, because data from image analysis are relative values. Thus, to enhance the reliability of the evaluations, the adoption of an objective scale was required. The principle of the evaluation method is to analyze images taken from silicone replicas of wrinkle areas using several parameters, such as the proportion of the wrinkle $area({\%})$, the mean depth of the wrinkles (mm), the mean depth of the deepest wrinkle (m) and the deepest point on the deepest wrinkle. Lights are shown on the skin replica from an orthogonal direction of the main orientation of the wrinkle, and the resulting shadow images are quantified by the image analysis method. To increase the precision of the data or to allow comparisons of independent examinations, a scale with furrows of several depths, 200, 400, 600, 800, and $1000{\mu}m$, is adapted in the evaluation system. I will explain the guidelines established by the JCIA in the presentation.

Safety Evaluation and Anti-wrinkle Effects of Retinoids on Skin

  • Kim, Bae-Hwan
    • Toxicological Research
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    • 제26권1호
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    • pp.61-66
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    • 2010
  • Retinoids have many beneficial effects on dermatological applications. But, retinoids cause skin irritation. In this study, the safety of retinoids was clarified via both primary skin irritation test in rabbits and sensitization study using an integrated model for the differentiation of chemical-induced allergic and irritant skin reaction (IMDS), an alternative method to sensitization test. The effects of retinoids on the change of ultraviolet A (UVA)-induced matrix metalloproteinase-1 (MMP-1) in human skin fibroblasts and the modulation of type-1 pN collagen synthesis in hairless mice were examined to clarify the anti-wrinkle effects. Alltrans retinol (t-ROL) and its derivative, all-trans retinoic acid (t-RA), showed mild skin irritation but did not induce the sensitization. t-ROL and t-RA exerted anti-wrinkle effects by inhibiting the UVA-induced MMP-1 in human skin fibroblasts and increasing the type-1 pN collagen synthesis in hairless mice. These findings suggest that retinoids do not induce the allergy, and show anti-wrinkle effects by decreasing MMP-1 activation and increasing collagen synthesis.

유근피 추출물의 피부개선효과 (Anti-Wrinkle Effect of Ulmus davidiana Extracts)

  • 김영옥;서용창;이현용;오명숙;이상원;김형돈
    • 한국약용작물학회지
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    • 제19권6호
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    • pp.508-513
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    • 2011
  • The bark of the root and stem of Ulmus davidiana var. japonica has been used as a traditional Korean medicine to treat inflammatory disorders. This plant reportedly shows antioxidant, anticancer, and anti-inflammatory effects. In this study, we investigated the protective effects of Ulmus davidiana var. japonica ethanolic extract (UDE) on UVB irradiation-induced wrinkle in hairless mice. We evaluated for their free radical-scavenging activities against 1,1-diphenyl-2-picrylhydrazyl (DPPH) and the anti-elastase activities, and for their anti-matrix metalloproteinase-1 (MMP-1) activity in human skin fibroblast cells. In the wrinkle measurement and image analysis of skin replicas, the results showed that UDE significantly inhibited wrinkle formation caused by chronic UVB irradiation. These results suggest that UDE has anti-wrinkle activity.

Anti-wrinkle Effects of Water Extracts of Teas in Hairless Mouse

  • Lee, Kyung Ok;Kim, Sang Nam;Kim, Young Chul
    • Toxicological Research
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    • 제30권4호
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    • pp.283-289
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    • 2014
  • Tea flavonoids and polyphenols are well known for their extraordinary antioxidant activity which is considered important for anti-aging processes in animals. This study evaluated the anti-wrinkle effects of three different kinds of tea (Camellia sinensis) water extracts (CSWEs) including green, white, and black teas using a photoaged hairless mouse model. Data showed that the CSWE-treatment greatly improved skin conditions of mice suffering from UVB-induced photoaging, based on the parameters including the skin erythema index, moisture capacity, and transepidermal water loss. In addition, the wrinkle measurement and image analysis of skin replicas indicated that CSWEs remarkably inhibited wrinkle formation. In histological examination, the CSWE-treated mice exhibited diminished epidermal thickness and increased collagen and elastic fiber content, key signatures for skin restoration. Furthermore, the reduced expression of MMP-3, a collagen-degradative enzyme, was observed in the skin of CSWE-treated animals. Interestingly, comparative data between green, white, and black tea indicated that the anti-wrinkle activity of white tea and black tea is equally greater than that of green tea. Taken together, these data clearly demonstrated that CSWEs could be used as an effective anti-wrinkle agent in photoaged animal skin, implying their extended uses in therapeutics.

발효 쌍별귀뚜라미 추출물의 생리활성 연구 (Biological Activity of Fermented Gryllus bimaculatus extracts)

  • 박인선;임현지;정승일;정찬헌
    • 생약학회지
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    • 제52권2호
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    • pp.92-98
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    • 2021
  • Gryllus bimaculatus extract (GbE) have reported that anti-inflammatory activity by suppression of pro-inflammatory cytokines. However, the effects of fermented Gryllus bimaculatus extract (FGbE) have not yet been investigated. In this study, we evaluated the anti-inflammatory and anti-wrinkle effect of the fermented Gryllus bimaculatus extracts using Bacillus subtilis (JB PMB-18) in RAW264.7 cells. Both GbE and FGbE exerted no cytotoxic effects until 1000 ㎍/mL concentration. FGbE decreased NO production and decreased iNOS and COX-2 mRNA levels in a concentration-dependent manner. In addition, the protein production of inflammatory cytokines TNF-α, IL-1β and IL-6 was effectively reduced compared to the GbE. Inhibitory activities of elastase and collagenase associated with skin wrinkle improvement were measured to be 45% and 69%, respectively, at a concentration of 500 ㎍/mL in FGbE. From these results, FGbE can be used as a health functional food and skin functional cosmetic materials for preventing inflammatory diseases because it has excellent anti-inflammatory and anti-wrinkle effects.

우산고로쇠의 향장효과 (The Effect of Cosmetic on Anti-Wrinkle of Acer mono Sap)

  • 손상현;이상원;신유수;김형돈;양승옥;김승유;김영옥
    • 한국약용작물학회지
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    • 제21권4호
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    • pp.262-267
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    • 2013
  • The purpose of this study was to research for anti-oxidation and anti-wrinkle effects of Acar mono Sap (AM). To cosmetic effect of AM, safety effect (MTT assay), anti-wrinkle effect (elastase, MMP-1 inhibition assay) and anti-oxidant effect (DPPH assay) were measured. When water extract of AM was used for cell viability, it was over 100% at 6% (6 ml/100 ml in phosphate buffer) concentration. AM showed 45.7% elastase inhibition and 23.7% MMP-1 inhibition at 50% (50 ml/100 ml in phosphate buffer) concentration so that it had good anti-wrinkle characteristic. And AM showed 68.9% antioxidation capacity at 50% concentration by using a DPPH assay. Consequently, AM can be used as natural materials or additives for human skin owing to their beneficial biologic functions, including the anti-wrinkle effect, for cosmetic compositions.

상황버섯 추출물이 항염증 및 항알레르기, 항산화, 주름제거에 미치는 실험적 연구 (Effect of Phellinus igniarius Quel Extract on the Anti-inflammatory, Anti allergy, Anti-oxidant, Anti-wrinkle)

  • 윤우식;정현아;노석선
    • 한방안이비인후피부과학회지
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    • 제23권1호
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    • pp.75-93
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    • 2010
  • Objectives : This study was carried out to investigate the effects of Phellinus igniarius Quel extract on the Anti-inflammatory, Anti allergy, Anti-oxidant and Anti-wrinkle. Methods : To investigate in vitro anti-oxidant activity assay, ethanol extracts of medicinal plants tested by DPPH method. In the next experiment, to investigate anti-inflammatory test, the RAW 264.7 macrophage cells was cultured using DMEM including the 10% FBS. To study anti-allergic effect, we blended cultured Human Mast Cells(HMC-1), and then observe TNF-$\alpha$, IL-8 by ELISA Results : Phellinus igniarius Quel extract has the effects of anti-inflammation and anti-allergy, which may be due to its inhibitory potential on the macrophage activation. Furthermore, Phellinus igniarius Quel extract has the anti-wrinkle effects through the inhibitory potential on the collagnease, elastase and gelatinase activities. Conclusions : The above results suggest that Phellinus igniarius Quel extract could be applicable for improvement of several skin functions.

Antioxidant, Anti-Melanogenic and Anti-Wrinkle Effects of Phellinus vaninii

  • Im, Kyung Hoan;Baek, Seung A;Choi, Jaehyuk;Lee, Tae Soo
    • Mycobiology
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    • 제47권4호
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    • pp.494-505
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    • 2019
  • In this study, the antioxidant, anti-xanthine oxidase, anti-melanogenic and anti-wrinkle effects of methanol (ME) and hot water (HE) extracts from the fruiting bodies of Phellinus vaninii were investigated. The 1,1-diphenyl-2-picryl-hydrazyl free radical scavenging activity of 2.0 mg/mL HE (95.38%) was comparable to that of butylated hydroxytoluene (96.97%), the reference standard. The hydroxyl radical scavenging activities of ME (98.19%) and HE (97.55%) were higher than that of butylated hydroxytoluene (92.66%) at 2.0 mg/mL. Neither ME nor HE was cytotoxic to murine melanoma B16-F10 cells at 25-750 ㎍/mL. Although the xanthine oxidase (XO) inhibitory effects of ME and HE were significantly lower than that of allopurinol, the values were higher than 84 percent. The in vitro tyrosinase inhibitory activities of ME and HE were comparable to kojic acid at 2.0 mg/mL. The cellular tyrosinase and melanin synthetic activities of ME and HE on B16-F10 melanoma cells at 500 ㎍/mL were higher than arbutin, indicating that the inhibitory effects of arbutin on the tyrosinase and melanin synthesis were higher than those of ME and HE. The collagenase inhibitory activity of HE was comparable to EGCG at 2.0 mg/mL, however, the elastase inhibitory activity of ME and HE was lower than EGCG at the concentration tested. The study results demonstrated that the fruiting bodies of Ph. vaninii possessed good antioxidant, anti-xanthine oxidase, cell-free anti-tyrosinase, cellular anti-tyrosinase, anti-collagenase, and moderate anti-elastase activities, which might be used for the development of novel anti-gout, skin-whitening, and skin anti-wrinkle agents.

갈릭산 펩타이드 유도체를 이용한 주름개선 소재 개발 (Development of Anti-Wrinkle Materials using Galloyl-Peptide Derivatives)

  • 정해수;송미영;김형식;서효현;이정훈;이경록;홍일;모상현
    • 한국산학기술학회논문지
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    • 제16권8호
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    • pp.5452-5457
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    • 2015
  • 항산화 효능이 우수한 phytochemical에 콜라겐 합성능이 우수한 기능성 펩타이드의 결합을 통해 소재 자체의 안정성뿐만 아니라 수용액 상태에서의 분산성을 증대시켜 주름개선 효능과 더불어 우수한 화장품 소재로서의 가능성을 가진다. 이에 본 연구는 항산화, 항염 및 항암 등의 효능을 가진다고 알려져 있는 phytochemical인 갈릭산을 이용해 phytochemical-펩타이드 유도체를 개발하여 화장품 소재로서의 가능성을 시험하였다. 갈릭산에 LVH, IVH, KTTKS, YGGFM, YGGFLRKYP 총 5종의 펩타이드를 각각 합성하여 만든 갈릭산 펩타이드 유도체의 항산화 및 주름개선의 효능을 평가하고자 DPPH radical scavenging activity와 real-time PCR로 주름개선과 관련된 유전자의 발현을 확인하였다. 그 결과 5종 유도체 모두 우수한 자유 라디컬 소거능을 보였다. 또한 collagen 합성에 관여하는 유전자의 발현이 증가하였고, collagen 생성시 분비되는 펩타이드의 증가를 통해 항산화뿐만 아니라 주름개선에도 효과가 있었다. 이를 통해 갈릭산 펩타이드 유도체가 항산화 및 주름개선을 위한 화장품 소재로서의 가능성을 확인하였다.

뱀딸기추출물의 항산화 활성 및 항노화에 관한 연구 (Antioxidative Activity and Antiaging Effects of Duchesnea indica (Andr.) Focke extract)

  • 노언주;박시향;황수미;노현수;김병관
    • 한국응용과학기술학회지
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    • 제27권4호
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    • pp.539-544
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    • 2010
  • In this study, we evaluated the anti-oxidative, anti-wrinkle and whitening effect of Duchesnea indica (Andr.) Focke extract. Duchesnea indica (Andr.) Focke was extracted by two different solvents which were n-hexane and ethyl acetate. The anti-oxidant activity was measured by free radical scavenging activity using DPPH (1,1-diphenyl-2-picrylhydrazyl radical). And the inhibitory activities of tyrosinase for whitening effect and collagenase for anti-wrinkle were investigated. For anti-oxidant activity and whitening activity, ethyl acetate fraction of Duchesnea indica (Andr.) Focke extract showed more significant activity than n-hexane fraction of Duchesnea indica (Andr.) Focke extract. For anti-wrinkle activity, ethyl acetate fraction of Duchesnea indica (Andr.) Focke extract exhibited strong inhibition effects compared with reference. Therefore, Duchesnea indica (Andr.) Focke extract may be useful as a new antioxidant and anti-aging agent.