Q&A: Can or should any other preservative be used along side Jeecide CAP-7? Or is Jeecide CAP-7 strong enough on its own?

In the monthly Q&A, Ivy asked, Can or should any other preservative (as in Leucidal Complete / SF MAX) be used along side Jeecide® CAP-7? Or is Jeecide® CAP-7 strong enough on its own? Jeecide® CAP-7 (INCI: Caprylyl Glycol (and) Glyceryl Laurate (and) Glyceryl Undecylenate) is a naturally compliant, non-ionic, natural, clear colourless liquid broad…