Soap Studio Manual

A complete guide to every feature in the app.

📄

Download the full manual

The complete Soap Studio handbook as a PDF — all chapters, all features, printable.

Download PDF

The manual is a work in progress and will be updated as new features are added. The sections below reflect the current version of the app.

Contents

1

Getting started

  • Installing Soap Studio
  • Your first recipe
  • Understanding the workspace
  • Units and settings
2

Recipes

  • Creating and editing recipes
  • Input modes: percentage, weight, total oil weight
  • Adding oils and butters
  • Superfat and lye purity
  • Water modes explained
  • Masterbatch calculations
  • Additives, chelators, and sugar
  • Fragrances and colourants
3

The lye calculator

  • How lye amounts are calculated
  • NaOH vs KOH vs mixed-alkali
  • Vinegar adjustment
  • Reading the results panel
  • Soap quality indices
4

Moulds and cutting

  • Setting up your moulds
  • Box moulds and pipe moulds
  • The mould optimiser
  • Reading the cutting diagram
  • Bar weight targets and tolerances
5

IFRA fragrance safety

  • What IFRA limits are and why they matter
  • Category 9 and leave-on products
  • Oils basis vs finished-product basis — understanding the difference
  • How Soap Studio checks your fragrance load
6

Cure time

  • How the cure model works
  • Factors that affect cure time
  • Setting cure-date calendar reminders
7

Batch journal

  • Logging a batch
  • Photos and notes
  • Actual vs planned bar count
  • Cost tracking
8

Ingredients library

  • Browsing and searching ingredients
  • Adding custom ingredients
  • Fatty acid profiles explained
  • SAP values and where they come from
9

Settings and preferences

  • Units (metric and imperial)
  • Default recipe values
  • Bar preferences
  • Currency
  • iCloud sync