Optiphen Plus is an ISP patent-pending liquid preservative formulation featuring an innovative blend of phenoxyethanol, sorbic acid and an emollient base that is ideal for slightly acidic personal care products requiring broad spectrum protection. The combination of all three ingredients offers effective protection against bacteria, yeast and mold growth while imparting emolliency. Optiphen Plus performs best in formulations below 6.0 pH. Depending on the formulation, Optiphen Plus has also been proven effective at pH levels above 6.0. This preservative is effective as a stand-alone system and functions well with other preservatives. Optiphen Plus has an extensive range of applications in aqueous and emulsion-type personal care formulations and is compatible with most raw materials in the personal care industry. Optiphen Plus can be easily added to the formulation during pre- or post-emulsification at or below 80?C. Optiphen? Plus works best when used in formulations with a pH below 6.0 and is compatible with most ingredients used in the personal care industry. Recommended Use Levels: 0.75 to 1.5% INCI: Phenoxyethanol (and) Caprylyl Glycol (and) Sorbic Acid For more information about this product please go to Optiphen Plus