INCI: Phenoxyethanol and Caprylyl Glycol, Sorbic Acid
Considered a natural preservative
Optiphen Plus performs best in formulations below 6.0 pH. however has also been proven effective at pH levels above 6.0, depending on the formulation. 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.
Recommended use levels in a finished formulation is 1% cool down. Add at or below 80°C during either pre or post-emulsification at or below 80C
Works within pH range: 4-6