HSCG Conference Guest Post: Kevin Dunn on Superfatting and Discounting
Soapmaking 101 with the Soap Queen
All the fundamentals of making cold process soap from scratch with lye and oil; make all natural sustainable soap from scratch for yourself of start a side hustle selling soap.
Anne-Marie Faiola
PodcastAI
PodcastAI

HSCG Conference Guest Post: Kevin Dunn on Superfatting and Discounting

E138 • Jun 13, 2025 • 3 mins

In episode 138 of Soapmaking 101 with the Soap Queen, Anne-Marie Faiola explores the intricate science behind soapmaking with insights from Kevin Dunn's soap science concepts. The episode delves into a fascinating water bottle experiment, illustrating the different types of glycerol and their roles in soap formulation. Anne-Marie further discusses the concepts of lye discount and superfat, providing listeners with a deeper understanding of these crucial elements in crafting quality soap. The episode wraps up with closing notes and highlights BrambleBerry.com as a sponsor, offering valuable resources for soapmakers to enhance their craft.

Key Points

  • Understanding terms like lipophilic, hydrophilic, and amphiphilic is crucial for grasping the science behind soapmaking.
  • Simple experiments, such as adding vinegar and ammonia to a soap solution, can effectively demonstrate fatty acid equilibrium and the impact of pH changes.
  • Using a lye discount or adding superfat at different stages yields the same end result, simplifying the soapmaking process.
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