Liquid Castile soap can sometimes appear cloudy even when you expected a clear product. Learn how bubbles from mixing, resting time and essential oils can affect clarity—and why appearance needs to be interpreted in context.
Liquid Castile soap can range from surprisingly thick to almost watery, and thickness does not tell you how well it cleans or lathers. Learn why the oils used make such a difference to the consistency of the finished soap.
A beautiful-looking soap is not necessarily a correctly made soap, and an unattractive bar is not necessarily a failed one. Learn why pH is an important quality check and how it helps distinguish an aesthetic problem from a more fundamental formulation issue.
