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KMID : 0606920170250040434
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Biomolecules & Therapeutics
2017 Volume.25 No. 4 p.434 ~ p.440
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Effect of Enhancers on in vitro and in vivo Skin Permeation and Deposition of S-Methyl-L-Methionine
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Kim Ki-Taek
Kim Ji-Su
Kim Min-Hwan
Park Ju-Hwan
Lee Jae-Young
Lee Woo-In
Min Kyung-Kuk
Song Min-Gyu
Choi Choon-Young
Kim Won-Serk
Oh Hee-Kyung
Kim Dae-Duk
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Abstract
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S-methyl-L-methionine (SMM), also known as vitamin U, is commercially available as skin care cosmetic products for its wound healing and photoprotective effects. However, the low skin permeation expected of SMM due to its hydrophilic nature with a log P value of -3.3, has not been thoroughly addressed. The purpose of this study thus was to evaluate the effect of skin permeation enhancers on the skin permeation/deposition of SMM. Among the enhancers tested for the in vitro skin permeation and deposition of SMM, oleic acid showed the most significant enhancing effect. Moreover, the combination of oleic acid and ethanol further enhanced in vitro permeation and deposition of SMM through hairless mouse skin. Furthermore, the combination of oleic acid and ethanol significantly increased the in vivo deposition of SMM in the epidermis/dermis for 12 hr, which was high enough to exert a therapeutic effect. Therefore, based on the in vitro and in vivo studies, the combination of oleic acid and ethanol was shown to be effective in improving the topical skin delivery of SMM, which may be applied in the cosmetic production process for SMM.
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KEYWORD
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S-methyl-L-methionine, Vitamin U, Skin permeation, Deposition, Enhancers
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