Recent in Preservatives (page 6 of 6)

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.

Bench & Beyond: Preservative Boosters—Up Against the Wall

This column has shown that many preservatives and preservative boosters have their killing and boosting effects at the cell wall. It seems likely that at least some of the preservative boosters will never become listed preservatives because they’ve bumped against a different kind of wall — a regulatory one.

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.

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.

Frequency of Use of Preservatives 2003

The importance of participating in the FDA’s Voluntary Registration of Cosmetics Formulations program is reviewed, and that program’s data on the frequency of use of preservatives is presented.

Makeup Powders Preservation and Water Activity

Spores of Bacillus subtilis and selected molds were used to demonstrate the impact of different thermodynamic water activities on the behavior of microorganisms inoculated in makeup powders with or without preservatives.

New Alternatives to Paraben-Based Preservative Blends

Adding diazolidinyl urea to a blend of organic acids (i.e., sodium benzoate and potassium sorbate) extends this sample blend’s applicable pH range up to a pH level of 7, provides protection from discoloration, and offers an alternative to parabenbased preservative blends.

Preservation of "Atypical" Cosmetic Product Systems

The authors examine the facts that determine how to preserve and/or assess susceptibility/risk probabilities for cosmetic product systems that are "atypical" because they contain little or no water.

Measuring Synergy

Because it is rare to find a single preservative that is broad spectrum enough to inhibit the different species of microbes, the synergistic use of multiple preservatives in cosmetics is useful.

Preserving Skin Care Products Containing Avobenzone

Methylisothiazolinone offers one approach for preserving skin care products containing avobenzone. The introduction of the MI 9.5 preservative alternative that is non-formaldehyde derived.

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