Also known as Geogard Ultra, GSB or Neodefend.
Broad-spectrum activity, ECOCERT/COSMOS-accepted
Add to the cold or hot water phase, do not wait before mixing as this may result in a slight gelling effect which will prevent full solubilisation and result in cloudiness. Cover the gram-negative bacteria (escherichia coli) gap with optiphen plus white, free-flowing powder mild odour, characteristic water-soluble store tightly sealed, normal temperatures, protected from moisture shelf 1 yr. when stored properly.
Use levels .075% to 2.0% dissolve in your water phase. ie 4 teaspoons per liter of lotion. Not suitable for use in anhydrous formula (due to incompatibility)
Effective within pH range: below pH 3 & 6
Globally approved (at 2.0% usage in a formulation, only 0.495% sodium benzoate)
Always add to room temperature water, prior to heating
Not for use in products which contain food colours or Vit C (due to an undesirable chemical reaction which may convert the sodium benzoate to its acidic state (benzoic acid)
Once added, to water, do not wait before mixing as this may result in a slight gelling effect which will prevent full solubilisation and result in cloudiness
INCI: Gluconodeltalactone (and) Sodium Benzoate ECOCERT
GSB Gluconolactone & Sodium Benzoate EcoCert Geogard Ultra