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Section: Cosmetic Ingredients > Preservation

Preservative Efficacy Testing of Aqueous Cosmetics and Drugs without Counting Colonies

A miniaturized system using broth enrichment followed by either streaking on agar or fluorescence treatments can eliminate colony counting in the linear regression method of preservative efficacy testing.

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Use of Phenoxyethanol in Cosmetic Industry Decreases

Though the substance remains popular in the home care market, perceived safety concerns have hindered its success in color cosmetics.

Industry Recap: In Case You Missed It

Busy week? Catch up on anything you might have missed here.

Inolex Introduces CHA-based Alternative Preservative for Wet Wipes

Inolex has introduced a new preservative system for wet wipes based on the biostatic agent CHA.

Emerald Kalama has expanded its product offerings for sodium benzoate.

Emerald Kalama Introduces its Solution-in-Water Sodium Benzoate

Emerald Kalama launched a solution-in-water form of its namesake preservative, Kalama Sodium Benzoate Liquid, which expands the company's product offerings for sodium benzoate.

In Case You Missed It: This Week in News

Busy week? Catch up with industry news you might have missed.

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Evident Ingredients Taps Black Label Ingredients for Exclusive U.S. Distribution

The partnership gives BLI rights to distribute Evident’s Evicide and Evicare lines across the United States.

Challenges Persist in Working with Green Materials in Beauty Product Development

Organic Monitor tracks the continuing issues in green ingredients and product development techniques for the beauty industry.

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INOLEX Announces "Center of Excellence" and New Hires in China

According to INOLEX, the new lab will provide services for challenge tests and MIC test for internal and external projects related formulations containing alternative preservation systems.

Propylparaben and Triclosan Found to Increase Allergy Risk in Children

A study conducted by Johns Hopkins Children's Center and funded by the National Institutes of Health supports the common "hygiene hypothesis" that some antibacterial chemicals and preservatives in hygiene products may make children more susceptible to food and environmental allergens.

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Which of These 16 Base Ingredients Will Clinch C&T Allēs in 2025?

From a carbon-based black pigment, solid lipid and unique Guerbert alcohol, to biodegradable hair styling polymer, novel cold processable thickener, multifunctional preservative and more, here are C&T Allēs base ingredients finalist profiles.

Challenges Persist in Working with Green Materials in Beauty Product Development

Organic Monitor tracks the continuing issues in green ingredients and product development techniques for the beauty industry.

Applications of the ingredient include sensitive skin, facial care and baby care due to the mildness of caprylhydroxamic acid and glyceryl heptanoate.

Inolex's SystemSpectrastat GHL Natural Combines Multifunctional Ingredients for Self-preserving Formulations

Applications of the ingredient include sensitive skin, facial care and baby care due to the mildness of caprylhydroxamic acid and glyceryl heptanoate.

Inolex Opens China Headquarters

INOLEX opens a new Commercial & Technical Center in Guangzhou, China.

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Weak Points in Preservation

Beginning April, Cosmetics & Toiletries is pleased to present an entire series focused on preservation—from benchtop strategies for formulators (described here), to case studies in production and their resolution. Join us as we follow products as they move beyond the benchtop, in order to identify potential weak points in preservation.

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Multifunctional Cosmetic Ingredients as Antimicrobials

Today's formulator is busy, and their task of creating innovative formulations is boosted by new multifunctional ingredients. The concept of delivering two highly desired benefits for personal care in one product is one of great appeal to formulators globally.

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[podcast] Weak Points in Preservation

Where, in a formula's lifecycle, is it most vulnerable to microbial contamination? Steve Schnittger, Ph.D., of The Estée Lauder Companies, tackles this in the following podcast. Listen now; it's free.

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.

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