Gluconolactone & Sodium Benzoate (GSB), Preservative

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( £3.59 vat excl. )
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Blended preservative suitable for both leave-on and rinse-off products and considered suitable for most natural products. Recommended inclusion level between 0.75% and maximum of 2% and with a recommended pH range between 3 and 6. Comes as a white water-soluble powder.

INCI: Gluconolactone + Sodium Benzoate.

Multifunctional product. Can be used in both rinse-off and leave-on products under EU legislation at up to 2%.

Accepted in natural products where an effective preservative is required.

Can be added at room or elevated temperatures. Recommended max temperature of 40 degC although separate information suggests it is considered stable to max 80 degC.
This product can cause pH drift and is therefore not recommended for inexperienced formulators. It is important to ensure that your formulation has a final pH between 3 and 6 (5.2 - 5.5 recommended). Please refer to the attached product specification for a fuller explanation, in particular section 9 on formulation. Aesthetic problems that can result from incompatible pH can include crystaline deposits of sodium benzoate or waxy deposits where constituent ingredients 'drop out' depending on the product formulation. Where these become evident it is generally only aesthetic rather then the preservative being ineffective.

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