From the description
Bakuchiol has a problem with metal irons so you should add a chalating agent like
Disodium EDTA 0.1% or
Phytic Acid to help capture any charge in the formula so that
Bakuchiol The most stable If the formula has
Zinc PCA Address
Disodium EDTA binds to Zinc ion (from
Zinc PCA ), if it is
DMAE will crash with
Disodium EDTA /
Bakuchiol in the formula?