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Optiphen Plus Liquid Preservative

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Optiphen™ Plus is a liquid preservative formulation that features an innovative blend of phenoxyethanol, sorbic acid, and an emollient base that offer effective protection against bacteria, yeast and mold growth while also imparting emolliency.

Not compatible with polysorbate 80 or olivem 300.

INCI Name: Phenoxyethanol, sorbic acid, caprylyl glycol

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 0.5% might be enough.

This preservative is effective as a stand-alone system while also functioning 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.


  • Formaldehyde-free, paraben-free, halogen-free and non-isothiazolinone
  • Excellent safety and toxicological profile
  • Imparts emolliency to finished formulations.
  • A highly effective, broad-spectrum antimicrobial preservative against Gram-positive and Gram-negative bacteria, Yeast, and Mold
  • Optiphen Plus Preservative performs best in formulations below 6.0 pH, however, it has also been proven effective at pH levels above 6.0 depending on the formulation of the product. 
COA Lot # 0002604876
COA LOT # 0002613634

Customer Reviews

Based on 5 reviews
Victor Lajide
Optiphen Plus Liquid Preservative.

Good, and effective. I am really happy with the performance.

Gifty Serbeh-Dunn
Optiphen Plus

I got my order in a timely manner and was delighted as I needed the product desperately. Have found the team at Soap and More to be professional and always ready to assist.

Rosa Vigliotti

Great service

Deidra Roth
Great product

Hands down my only go too!

Carolyn Openshaw
Customer review

I have been using Optiphen Plus for years. It is very effective when used correctly.