If you’re experimenting with natural soap colorants, one of the biggest questions is whether a botanical will hold its color in soap — or turn brown once it meets lye.
In this video, I demonstrate a quick lye test method that helps predict how plant pigments will behave in the high pH environment of soap before you make a full batch.
This simple test can save you from making a lot of brown soap.
What You’ll Learn:
- How to perform a quick lye test on botanical colorants
- Why some plant pigments turn brown in soap
- How to test teas, infusions, and decoctions before soaping
- Why butterfly pea flower changes color in alkaline environments
Want the full written guide?
If you’re trying to understand why botanical soap colors sometimes turn brown, read the full guide here: → Why Your Natural Soap Turned Brown
