Member exclusive Q&A: What’s the best version of EDTA to use in gels?

In the December Q&A on the Patreon feed, Christina asked: Hi Susan, was wondering about EDTA. Would tetrasodium EDTA be best for gels like facial products with Sepinov EMT 10? I believe tetrasodium was for higher pH, but it also stated more suited for gels. But some facial gels aren’t necessarily higher pH. And would…

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