INCI Phenoxyethanol, Caprylyl Glycol & Sorbic Acid
ISPs second globally approved preservative in the Optiphen family developed as an alternative for personal care formulations requiring a paraben and formaldehydefree preservative system, Optiphen Plus performs best in formulations below 6.0 pH, but is also proven effective at pH levels above 6.0.
Recommended use levels 0.5% - 1.5%.
Appearance Clear liquid light yellow colour