Castile Soap FAQs

Castile soap has a million uses (ok, almost) and along with that comes a ton of questions!  Take a peek at the Q&A's below and if we haven't answered your question, drop us a line, we'd love to hear from you and get you some answers.


There are a couple of causes of the white film residue. Hard water can react with Castile soap and leave behind a white film residue. Adding vinegar or lemon to Castile also causes a white film, as the acid reacts with the alkaline nature of the soap, effectively canceling the nature of the soap and turning it back to oils.

Have a question about Castile soap?

We have answers!  Drop us a line with your question and we'll be happy to find an answer for you.