Soapmaking Additive Chart – Lovin Soap Studio
Purpose How to Add to Soap; Coffee Grounds: 1 tablespoon per pound of oils, use more or less depending on desired amount of exfoliation ... Sodium Lactate: 1 teaspoon per pound of oils: Adds hardness to soap, can make soap crumbly if you use too much: Add to oils before mixing in lye solution. My newest book! New eCourse! Soap. Brand. Launch.