Biomol Ther.  2017 Jul;25(4):434-440. 10.4062/biomolther.2016.254.

Effect of Enhancers on in vitro and in vivo Skin Permeation and Deposition of S-Methyl-(L)-Methionine

Affiliations
  • 1College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea. ddkim@snu.ac.kr
  • 2CUSKIN Cosmeceutical and Biotechnology, Seoul 06530, Republic of Korea.
  • 3Department of Dermatology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul 03181, Republic of Korea.
  • 4Department of Food and Nutrition, Jangan University, Hwaseong 18331, Republic of Korea.

Abstract

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.

Keyword

S-methyl-(L)-methionine; Vitamin U; Skin permeation; Deposition; Enhancers

MeSH Terms

Animals
Ethanol
In Vitro Techniques*
Mice
Mice, Hairless
Oleic Acid
Skin Care
Skin*
Vitamin U
Wound Healing
Ethanol
Oleic Acid
Vitamin U
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