Formation, Stability and Properties of Hemp Seed Oil Emulsions for Application in the Cosmetics Industry

Author:

Pei Liujun12,Luo Yuni1,Gu Xiaomin12,Wang Jiping12

Affiliation:

1. Engineering Research Center of Textile Chemistry and Clean Production, Shanghai University of Engineering Science, Shanghai , 201620, PR China

2. School of Textiles and Fashion, Shanghai University of Engineering Science, Shanghai , 201620, PR China

Abstract

Abstract Hemp seed oil has good sun protection, repair, anti-allergy and anti-aging effects, and is a high quality raw material for the production of skincare products. However, the influence of surfactants and co-surfactants on the emulsification of hemp seed oil in aqueous solution has been rarely investigated. In this investigation, the surfactants and co-surfactants which were suitable for hemp seed oil emulsion were optimized, and the factors which influence the particle size and the stability of the emulsion were studied. Moreover, the application of hemp seed emulsion in different cosmetics was also further investigated. It was found that sorbitan monooleate/polysorbate-80 and glyceryl stearate were the most effective surfactant and co-surfactant in the emulsification of hemp seed oil. After three months the hemp seed oil emulsion had no layered separation and remained homogeneous at -48C, 258C and 408C. The water-resistant sunscreens and the hemp seed oil sunscreens were homogeneous pastes, had a soft texture and were stable at higher temperatures. No microorganisms were detected in these cosmetic creams. Therefore, hemp seed oil is suitable for sunscreen cosmetic materials.

Publisher

Walter de Gruyter GmbH

Subject

Condensed Matter Physics,General Chemical Engineering,General Chemistry

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