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Milks and cream

Plain yogurt (whole milk)

Replaces some or all of the water.

Try it in the lye calculator

Opens the calculator’s starter recipe, 1000 g of oils, with this additive at the dose it fills in, ready to change.

What it is

Plain yogurt made from whole milk, which US rules require to be acidic.

USDA FoodData Central primary source, 21 CFR Part 131 primary source

How much

The calculator fills in 1 tsp per pound of oils: 11.2 g for the 1000 g of oils in its starter recipe.

When and how

  • Usually: into the oils.
  • Also used: at light trace, after the cook.
  • Stir it in as it is.

Lovin Soap supplier or guide

What it does to the recipe

  • 87.9 % is water, taken off the recipe’s water.
  • 3.25 % is fat, which stays in the bar as extra superfat.
  • 4.66 % is sugar, which heats the batch.

USDA FoodData Central primary source, 21 CFR Part 131 primary source

Worth knowing

Spoons and drops

  • 1 tsp ≈ 5.1 g
  • 1 tbsp ≈ 15.3 g
  • 1 cup ≈ 245 g

USDA FoodData Central primary source

INCI name

Yogurt

CAS number
8050-05-3

Recipes that use it

Guides that discuss it

Sources

USDA FoodData Central · primary source

USDA FoodData Central, food 171284: Yogurt, plain, whole milk.

21 CFR Part 131 · primary source

US 21 CFR Part 131, milk and cream: cultured milk has "a titratable acidity of not less than 0.5 percent, expressed as lactic acid" (131.112); yogurt has "a pH of 4.6 or lower" (131.200).

Lovin Soap · supplier or guide

Lovin Soap, yogurt soap: fresh yogurt as part of the water, added to the oils. Fluid hot process: yogurt at 1 teaspoon to 1 tablespoon per pound of oils.

Modern Soapmaking · supplier or guide

Modern Soapmaking, lather additive testing: sodium lactate 0.25 oz per pound of oils; sugar and bentonite 1 tablespoon per pound of oils; sodium citrate 3 %; yogurt for 58 % of the water. Of the bentonite bar: "Many soapmakers add various clays to their soaps to increase slip and glide, to make shaving soaps. It also adds a nice creamy touch with an increase on lather."

Modern Soapmaking · supplier or guide

Modern Soapmaking, cucumber and yogurt soap: "yogurt can be an accelerator ... Yogurt is a heater".

All 138 additives