optiphen™ gp preservative

chemistry: antimicrobials

INCI/chemical name: Phenoxyethanol (and) o-Cymen-5-ol (and) Caprylhydroxamic Acid (and) Propanediol (and) Propylene Carbonate

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optiphen™ gp preservative is effective against gram-positive and gram-negative bacteria, yeast and mold. It offers excellent heat stability, works across a wide pH window and is easily solubilized in water. optiphen™ gp preservative is readily biodegradable. It provides a content of 37% natural origin, applying the ISO 16128-2:2017(E) standard. The product has been tested on delicate Asian skin, which tend to be more sensitive and it combines no skin irritation and good compatibility in a wide range of personal care products like water facial masks, fragrance free products and transparent formulations.

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features and benefits
  • combines no skin irritation and good compatibility in a wide range of personal care applications
  • provides broad-spectrum protection against bacteria, mold, and yeast with an effective pH range of 4–8


leave-on +++
rinse-off +++
wet wipes +++

+++ highly recommended

use levels: 0.4 - 1.5%

max. temperature during production: below 80°C

additional information

pH 4 - 8
regulatory compliance Brazil, Canada, China, EU, Japan, Mexico
technologies without formaldehyde donor, without halogen, without isothiazolinones, without paraben
chemistry type with multifunctional ingredient, with phenoxyethanol

region currently available

For country-specific details, please contact your local sales representative.
Asia Pacific / China / Europe Middle East & Africa / Latin America

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sustainability features

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Tough on microbes and kind to skin
Read our recent article with Cosmetic Toiletries, and hear how Ashland is responding to personal care manufacturers face demand for products made using milder, safer and more eco-friendly preservative technologies. Ashland present its effective and mild solution - Optiphen GP