INCI gluconolactone, sodium benzoate
This is a very good go-to preservative! hard to go wrong with this one.
Its water soluble, broad spectrum, is accepted by Ecocert and COSMOS. GMO free and not tested on animals.
Has inherent skin conditioning properties.
usage recommended 0.5% - 2.5% in water phase or at cool-down
CAS: 90-80-2 75% approx Gluconolactone
CAS: 532-32-1 25% approx
pH range 3 - 6.5
manufacturing tip - you may find your finished product is too low in pH when using this preservative (often happens with products that are vitamin C heavy) If this is the case we recommend a little TEA or sodium hydroxide to boost the pH.