Is it possible to use a Chelating agent in M&P soaps?

[BlueRaven]

I understand that a chelating agent gets to react with the lye solution in cold process soap making, but I was wondering if I can add any chelating agents to an M&P soap as well (the reason I'm looking to use a chelating agent is to prevent the oxidation of the Matcha green tea additive that I am including in my S&P soap base). I would greatly appreciate any advice

 

[not_ally]

I don't think you need a chelator to prevent oxidation with MP, assuming the base isn't expired. If it's a good brand I would think that they used fresh oils and anti-oxidative processes (ie; no metal equipment) to make the base. I've never experienced DOS or any other symptoms of oxidation with the MP brand I use (SFIC), even after a year+ of storage. In soaping terms, oxidation usually refers to oils going rancid, I don't think chelation/the same preventive methods would apply to matcha powder.

ETA: are you in Cardiff, Wales or Cardiff, California?)