Abstract
An alcohol-free oil/water hyaluronic acid nanoemulsion was developed to be applied as transdermal carrier for active lipophilic ingredient. In vitro hemolysis, skin penetration and histological examinations were carried out using α-tocopherol as model ingredient to assess skin permeability and bioavailability. Without any chemical enhancers, nanoemuslion performed desirable skin permeable capacity, being able to penetrate across stratum corneum and diffuse deeper into dermis compared with the control group (ethanol solution) via follicular and intercellular pathway. Penetration mechanism was preliminarily studied and suggested to be closely concerned with transmembrane concentration gradient, carrier characteristics and penetration enhancers. No irritation has been found in dermis and skin surface indicated hyaluronic acid nanoemulsions could be successfully used as purcutaneous delivery carrier of active lipophilic ingredient and favorable for drug and cosmetic applications.
Original language | English |
---|---|
Pages (from-to) | 837-843 |
Number of pages | 7 |
Journal | Carbohydrate Polymers |
Volume | 86 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2011 Aug 15 |
Bibliographical note
Funding Information:This study was supported by a Grant of the Korea Health 21 R&D Project , Ministry of Health and Welfare, Republic of Korea (A050376). The authors greatly appreciated the helpful advices and technical supports from Prof. Sang Ho Lee (Korea University) and his Ph.D. students Mr. Sung Sik Choi and Dong Ho Lee.
Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
Keywords
- Bioavailability
- Hyaluronic acid
- Nanoemulsion
- Skin penetration
ASJC Scopus subject areas
- Organic Chemistry
- Polymers and Plastics
- Materials Chemistry