Soap & Handmade4 min read
How Superfat Shows Up on a Cosmetic Ingredient List
Why leftover unsaponified oils from superfatting a soap batch need to be reflected honestly on the INCI list and concentration ranges.
June 26, 2026Read
Tagged superfat
Concentration Limits4 min read
Concentration Math for Actives Added at Trace in Soap
Adding an active oil or extract at trace changes the concentration math for cold-process soap. Here's how to calculate it against total batch weight.
April 30, 2026Read