Omnicare PEHG

Omnicare PEHG is a paraben-free, broad-spectrum preservative system based on Phenoxyethanol and Ethylhexylglycerin, designed to protect cosmetic formulations from bacteria, yeast, and mould. Easy to use and highly versatile, it delivers enhanced antimicrobial performance across creams, lotions, shampoos, and liquid systems. Recommended at 0.8–1.0% within a pH range of 4.0–8.0 for optimal results.

Description

Omnicare PEHG is a paraben-free, broad-spectrum preservative system based on Phenoxyethanol and Ethylhexylglycerin, designed for reliable protection in modern cosmetic formulations.

This versatile liquid preservative provides effective antimicrobial protection against bacteria, yeast, and mould, helping to maintain product safety and extend shelf life without compromising formulation stability.

Compared to standard systems like Optiphen, Omnicare PEHG offers enhanced antimicrobial performance due to the inclusion of Ethylhexylglycerin, delivering stronger and more robust preservation across creams, lotions, shampoos, and other liquid systems. It is easy to use, highly versatile, and ideal for both beginner and professional formulators.

INCI

Phenoxyethanol (and) Ethylhexylglycerin

Benefits

Broad-Spectrum Protection – Effective against bacteria, yeast, and mould for complete product safety

Enhanced Preservation Performance – Ethylhexylglycerin boosts antimicrobial efficacy for more demanding formulations

Paraben-Free System – Suitable for modern, clean-label cosmetic formulations

Highly Versatile – Works across creams, lotions, shampoos, and liquid systems

Easy to Formulate With – Compatible with a wide range of cosmetic ingredients and processes 

Customisation Tips 

Usage Rate: Recommended at 0.8% – 1.0% for optimal preservation

pH Range: Performs best within a pH range of 4.0 – 8.0

Boosting Performance: For optimal results, use in combination with Disodium EDTA (2Na) to enhance stability and preservative efficacy

Heat Stability: Suitable for hot processes such as emulsions, but avoid temperatures above 80°C to minimise evaporation

Formulation Testing: Always test in your final formulation to confirm effectiveness and compatibility

Uses

Shampoos + Hair Conditioners – Maintains freshness and prevents microbial growth in water-based systems

Moisturising Creams + Body Milks – Extends shelf life while preserving texture and performance

Liquid Cleansers + Hand Washes – Ensures safety in high-water formulations prone to contamination

Makeup Products (Mascara + Eyeliners) – Protects against microbial contamination in sensitive applications

Suntan Lotions – Provides reliable preservation in outdoor-exposed formulations

Physical + Chemical Properties

Appearance: Liquid, Clear Nearly Colourless

Storage

Storage Conditions: Store in a cool, dry, and well-ventilated area.

Keep Away From: Open flames, sparks, and strong oxidising agents.

Container Recommendations: Use tightly sealed, corrosion-resistant containers.

Handling Precautions: Use PPE (gloves, goggles) when handling to prevent skin and eye