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Recent in Preservatives (page 5 of 6)

Ethyl Lauroyl Arginate HCl for Natural Preservation

Ethyl lauroyl arginate HCl (LAE), derived from natural lauric acid and L-arginine, is shown here to provide broad-spectrum activity against microorganisms including Malassezia furfur and Propionibacterium acnes. In vitro tests corroborated by in vivo evaluations suggest its efficacy in anti-dandruff and dermo-purifying applications.

The Required D-Value: Evaluating Product Preservation in Relation to Packaging and Consumer Use/Abuse

Cosmetic and pharmaceutical products are subject to microbial contamination and spoilage during use. In 1970, Halleck published the recommendations of the Preservation Subcommittee of the Toiletry Goods Association Microbiology Committee, which stated that preservation studies should consider product formulation, manufacturing conditions, packaging, product stability and continued effectiveness of the preservative system during the intended use by consumers.

Ingredient Profile—Benzoic Acid/Sodium Benzoate

Benzoic acid (BA) is a leading choice due to its long and successful history of use preserving foods, drugs and cosmetics. Affirmed as GRAS (Generally Recognized As Safe) by the US Food & Drug Administration (FDA), BA and its sodium salt, sodium benzoate (NaB), are perhaps the most globally acceptable preservatives that have managed to avoid the controversy associated with many of the industry’s tried-and-true preservatives.

Kemin Personal Care Debuts With Natural Soy Preservative

Kemin Industries Inc. has created a personal care division, Kemin Personal Care Inc., and has made its debut with five personal care ingredients, among them, a natural soy preservative.

Formula Troubleshooting—Preservation

Cosmetics & Toiletries magazine is pleased to add this new “Formula Troubleshooting” column to the regular lineup. Led by column editor Peter Tsolis of The Estée Lauder Companies, it will cover some of the more common formulation challenges and suggest solutions for the benefit of novice formulators and as a refresher for seasoned experts.

Comparatively Speaking: Toxicity vs. Selective Toxicity

In the present "Comparatively Seaking" column, industry expert Anthony J. O'Lenick explains the difference between toxicity and selective toxicity in regard to preserving a personal care formula while also keeping the consumer safe.

Effective vs. Ineffective Preservation Using Water Activity*

Important to understanding preservation in cosmetics and personal care is the discussion of water activity, as was discussed last week in Tony O'Lenick's "Comparatively Speaking" column. The present column takes this concept a step further with expert David Steinberg's explanation of how to use water activity for effective preservation.

Comparatively Speaking: Water Content vs. Water Activity

In this edition of "Comparatively Speaking," Tony O'Lenick explains the different between water content and water activity, since understanding water activity can lead the formulator to more effective product preservation and better product stability.

2010 Frequency of Preservative Use

This article reports the frequency with which preservatives are used in personal care in both the United States and Canada. Surprisingly, the use of parabens continues to grow while imidazolidinyl urea, quaternium-15 and triclosan are on the decline. The fact that the FDA’s voluntary registration program is poorly supported plays into the hands of NGOs.

Natural Preservative Blends with Antioxidant Action

Sabinsa has introduced two natural preservatives that also serve as antioxidants and prevent the oxidation of oils and fats in personal care formulations.

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