Journal of the Society of Cosmetic Scientists of Korea (대한화장품학회지)

Society of Cosmetic Scientists of Korea (대한화장품학회)
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Synergistic Effects of N-methyl-2-pyrrolidone on Skin Permeation of a Hydrophobic Active Ingredient

N-methyl-2-pyrrolidone 제제의 경피흡수촉진효과

  • 이근수 (한불화장품(주) 기술연구소) ;
  • 이동환 (한불화장품(주) 기술연구소) ;
  • 김경범 (한불화장품(주) 기술연구소) ;
  • 고현주 (한불화장품(주) 기술연구소) ;
  • 표형배 (한불화장품(주) 기술연구소)
  • Received : 2010.05.03
  • Accepted : 2010.06.17
  • Published : 2010.06.30
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Abstract

The formidable barrier property of the stratum cornemum and the high hydrophilicity of active ingredient make it difficult to permeate through the skin and reach to its site of action. The aim of this study was to investigate the effect of chemical penetration enhancers on the skin permeation of a hydrophilic cosmetic active ingredient, such as arbutin. The enhancing effects of N-methyl-2-pyrrolidone (NMP) on the permeation of a hydrophilic cosmetic active ingredient were evaluated by using Franz diffusion cell. The study indicated that NMP has considerable influence on the skin permeability. NMP was not only the most effective enhancer but also increased the skin permeability of arbutin approximately 1.3~1.5 fold compared with control without penetration enhancer. The lag time did not change with NMP, which suggested no effect of NMP on skin lipid fluidity. This suggest that arbutin co-permeated with NMP. The results indicate NMP is effective enhancer of a hydrophilic cosmetic active ingredient in penetration, with potential applications for drug delivery system.

피부에서 표피를 통한 물질의 수송은 피부의 여러 가지 보호 작용으로 인해 경피 흡수가 쉽게 이루어지지 않아 결과적으로 생리 활성 성분이 그 효과를 발휘하는 진피층까지 도달하기 어렵다. 본 연구는 피부에서 매우 낮은 농도가 투과되는 친수도가 높은 약물(알부틴)의 경피흡수를 촉진하는 화학적 촉진제의 in vitro 흡수 양상에 대한 연구이다. 화학적 촉진제로 N-methyl-2-pyrrolidone (NMP)을, 경피흡수장치는 Franz diffusion cell을 사용하였다. NMP는 약물의 경피흡수에 상당히 영향을 준다는 것을 알 수 있었다. NMP는 피부 지질층의 유동성에 영향을 주지 않고 약물의 보조흡수제로 작용하여 알부틴의 경피흡수촉진비율을 약 1.3~1.5배 증가 시켰지만 지연 시간의 변화는 없었다. 따라서 NMP는 친수성 생리활성 물질의 효과적인 화학적 경피흡수 촉진제로 작용하였으며, 향후 화장품 제형 및 약물전달체계에 응용이 기대된다.

Keywords

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