These preservatives deliver efficient antimicrobial power to a wide variety of personal care products. Balanced, synergistic and boasting broad-spectrum protection, they are compatible with many other cosmetic ingredients.
LiquaPar® Oil is a 100% active, clear, stable, liquid blend of Isopropyl, Isobutyl, and n-Butyl esters of Parahydroxybenzoic Acid. This unique combination of parabens is a very effective preservative against Gram-positive bacteria, yeast, and mold. The higher alkyl esters present in LiquaPar® Oil are not only more active but also more stable and resistant to hydrolysis than traditional lower alkyl powder parabens.
LiquaPar™ Optima is a liquid preservative system. It is an optimized blend of Phenoxyethanol, Methylparaben, Isopropylparaben, Isobutylparaben, and Butylparaben. This unique blend of parabens is primarily antifungal, and when combined with Phenoxyethanol, the complete system has broad spectrum antimicrobial activity. These components partition within a formula according to their water or oil affinity to provide total antimicrobial coverage of the water phase, oil phase, oil soluble components, and emulsion interfaces.
LiquaPar™ PE is a broad spectrum antimicrobial system. It is effective against Gram-negative and Gram-positive bacteria, yeast and mold, including difficult to control Pseudomonas species. This product is used in a wide variety of personal care products. It is globally approved.
Ashland Inc. provides specialty chemicals, technologies and insights. Their chemistries are found in a wide variety of markets and applications, such as architectural coatings, automotive, construction, energy, and food and beverage.