Sodium hydroxide: its role in soapmaking and how to handle it
Understand sodium hydroxide, the difference between lye and soda crystals, its role in cold-process soap and the precautions it requires.
Atelier Populaire
A closer look at our cosmetics
Tutorials, ingredients and selected articles from the Atelier Populaire workshop.
How to read an INCI cosmetic ingredient list
Read cosmetic ingredient names, order, fragrance allergens and organic footnotes, with a real soap example and the limits of scoring apps.