The Stability of Facial Liquid Soap Containing Goat Milk with Varied Concentration of Cocamide DEA

Authors

  • TETI INDRAWATI INSTITUTE SAINS DAN TEKNOLOGI NASIONAL ,
  • NELLY WULANDARI UNIVERSITAS PANCASILA ,

Keywords:

cocamide DEA, face liquid soap, goat milk

Abstract

Goat milk containing many amino acids and fatty acids that can be used as an emollient and humectant in skin liquid soap. The aim of this study is to investigate the effect of variation in cocamide DEA concentration on a face liquid soap stability. Face liquid soap formulae containing 10% goat milk and different concentration of cocamide DEA (3%, 4%, 5%, and 6%) were made by dissolving and mixing methods. The goat milk liquid soap products were evaluated and tested for their stability. Stability were justified from the colour, smell, viscosity, pH, density, and homogenity. The result showed that higher cocamide DEA concentration would produce better soap stability consecutively. The goat milk liquid soap containing 6% of cocamide DEA is the best formula investigated.

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Published

2011-04-30

Issue

Vol. 9 No. 1 (2011): JIFI

Section

Articles

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