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Wool-derived wax. Adds emollient luxury but low SAP — keep under 5%. Not vegan.
INCI: LANOLIN
Lanolin (LANOLIN) is a soap-making wax used in handmade soap recipes. Its SAP values are 0.0740 for NaOH and 0.1040 for KOH, which helps dial in accurate lye amounts.
Typical usage stays below 5% of total oils. In practice, it is palm-free, typically used when a richer or more premium bar is the goal.
Lanolin has an NaOH SAP value of 0.07400 and a KOH SAP value of 0.10400, meaning approximately 74g of sodium hydroxide saponifies 1kg of this oil. It is typically used at 0–5.00% of total oil weight in cold process soap recipes.
Shaded areas show the ideal range for balanced soap. Values outside these ranges may still produce good soap depending on the overall formula.
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