Complete formulation for the Vegetable Soap Base, published here for full transparency and so this base can be reproduced or remixed by anyone working with it.

Oils

Olive Oil 480 g
Coconut Oil, Refined 180 g
Shea Butter 240 g
Castor Oil 100 g
Total 1000 g

Lye Solution

Distilled Water 300 g
Citric Acid 19 g
Granulated Sugar 9 g
NaOH 150 g
Total 478 g

NaOH quantity accounts for lye consumed by citric acid neutralization ahead of saponification, not just the oils' SAP value.

Post-Cook Addition

Glycerin 50 g

Use