Research Article
The Use of D-Optimal Mixture Design in Optimising Okara Soap Formulation for Stratum Corneum Application
Table 1
Summary of variables for the mixture design.
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(1) Total amount of soybean-waste soap formulation was 50 g, composed of virgin coconut oil (A), extra virgin olive oil (B), palm oil (C), castor oil (D), cocoa butter (E), okara (F), and 12.6% of other necessary ingredients, incorporated in the appropriate amounts to make 100% for each formulation. (2) A + B + C+ D + E + F = 87.4% + 12.6% (other ingredients) = 100%. |