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Dr. Straetmans Awarded for Alternative Preservation

Dr. Straetmans received this award on Nov. 11, 2008, at the Frost & Sullivan Best Practices Awards Dinner.

New Answer to Tissue Engineering, Delivery and Preservation

Advances in organic gel nanomaterials could push tissue engineering, preservation and delivery systems to a new level.

P&G Develops All Natural Preservative for Food & Drink

White Mustard Essential Oil (WMEO) is the natural extract of white mustard seeds that reportedly delivers broad anti-microbial efficacy against bacteria, yeast and mold.

CTFA Requests Comments on Preservation Methods

The CTFA has requested public comment on two new microbiology guidelines by March 30, 2007.

Grapefruit Ap'peeling' as a Natural Preservative

Israeli company Citramed has been developing a new complex of compounds from grapefruit peel to inhibit the growth of a wide range of bacteria, fungi and yeast naturally.

Heating Up the Preservative Debate

A possible solution to the preservative-free cosmetic formulation conundrum may lie in the milk pasteurization process. Ultra-high-temperature (UHT) sterilization is the process of heating milk or cream to temperatures exceeding 275°F.

1,2-Alkanediols for Cosmetic Preservation

Straight chain 1,2-alkanediols are multifunctional ingredients with moisturizing and antimicrobial activities. Here, the authors examine the ability of these materials to boost the activity of preservatives and to provide broad-spectrum antimicrobial activity. In addition, the authors describe how to combine these compounds into formulations to optimize stability and efficacy.

Love for Preservatives

Questionable science has instilled a public sense of mistrust in preservatives, so formulators are challenged to find ingredients that preserve products without “preserving” them—or to at least find ways to reduce the levels of preservatives used in a product.

Preserving Formulations Containing Alkyl Polyglucosides

The June 2008 issue of Cosmetics & Toiletries magazine featured an article from Cognis on the mildness of alkyl polyglucoside (APG) surfactants. The article stimulated the comments from readers and some of the questions are answered here.

Natural Preservation from Concepts in Nature

Chemical defense mechanisms used in the plant kingdom are the basis of natural antimicrobials with multifunctionality for preservation of cosmetic formulations. Two examples are organic acids and glyceryl monoesters.

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Preservative Efficacy Testing: Accelerating the Process

A preservative efficacy testing method, called accelerated double challenge, rapidly—in 14 days—assesses the ability of a product or material to resist microbial contamination. It also maintains a high degree of correlation with longer-term preservative challenge protocols.

Water Activity

Water activity is a key consideration in preserving cosmetics. As this article discusses, there is an important difference between the amount of water present in a product and availability of this water for microorganism growth.

Preservation of Sunscreen Products

Sunscreen products, even those formulated as anhydrous or powder formulations, may need preservative systems because of the high risk of microbial contamination or water intrusion, especially during consumer use around water.

Effective Preservation

Schülke & Mayr announces after extensive testing that their cosmetic preservative Euxyl PE 9010 ...

Botanigenics Launches Paraben-free Preservative System

Botanigenics Inc. introduced a globally approved, paraben- and formaldehyde-free preservative system for the personal care and toiletry industries.

2005 Preservatives Use: Frequency Report and Registration

The U.S. Food and Drug Administration (FDA) compiles frequency of use data from registrations submitted through the Voluntary Cosmetic Registration Program (VCRP). Here, a review of the latest preservative data collected is presented as well as a discussion of the importance of the registration program.