Product Information

Optiphen Plus performs best in formulations below 6.0 pH, but is also proven effective at pH levels above 6.0.

Optiphen Plus preservative should be used in cosmetic products at concentrations in the range of 0.75% to 1.5%.

For the preservation of simple surfactant products a dose of 1% might be sufficient.

For the determination of optimum dosage they recommend a preservation test, as the efficacy of this preservative is highly influenced by the product matrix. Please see the Technical Data Sheet for more information.