Water Soluble Natural Preservative (Optiphen) - 4 Oz - Broad Spectrum- Paraben-Free - Formaldehyde Free - Protection Against Microbial Growth - Great for Making soap, Lotion, Cream, Lip Balm etc.

Optiphen Natural Preservative Optiphen is a unique paraben-free and formaldehyde-free liquid preservative system which consists of Phenoxyethanol in an emollient base of Caprylyl Glycol. The combination of these ingredients provides optimized protection against microbial growth while imparting exceptional feel to the finished product. Optiphen is a clear liquid preservative that can be easily added directly to the formulation during pre- or post-emulsification at or below 60 degrees C(140 degrees F). There are no ph restrictions in formulating with Optiphen. Optiphen is compatible with most ingredients used in the personal care industry. Usage: Optiphen is a broad spectrum preservative. This clear to semi clear liquid can be easily added directly to the formulation during pre- or post-emulsification at or below 60 degrees C. There are no ph restrictions in formulating with Optiphen. Recommended use levels: 0.5 - 1.5%. The rate of application varies by product but in general 100 mg of product will only require about 1 mg of Optiphen.