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Section: Cosmetic Ingredients > Preservation

EC Restricts Use of Propylparaben, Butylparaben and MCI/MI

The European Commision has adopted two measures restricting the use of butylparaben, propylparaben and methylchloroisothiazolinone (and) methylisothiazolinone in cosmetic products.

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An Offensive Defense: Minimizing Preservatives, Maximizing Protection and Resources

Designing formulations with maximum preservation efficacy using minimum preservative quantities is vital for several reasons, outlined here. This strategy is referred to as an “offensive defense,” and requires leveraging the right preservatives and levels for given formulation designs.

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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.

Assessing the Safety of Parabens: Percutaneous Penetration and Risk Analysis

In cosmetics, parabens are widely used due to their low cost and efficacy. In recent years, however, some reports have claimed that these materials exhibit estrogenic activity, which has led to attempts to replace them in formulations. This article reviews penetration studies of parabens spanning the past 20 years to determine whether they pose a risk to human health.

Assessing the Safety of Parabens: Percutaneous Penetration and Risk Analysis

In cosmetics, parabens are widely used due to their low cost and efficacy. In recent years, however, some reports have claimed that these materials exhibit estrogenic activity, which has led to attempts to replace them in formulations. This article reviews penetration studies of parabens spanning the past 20 years to determine whether they pose a risk to human health.

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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7 Recent Recalls: Babygenics, Tom's of Maine, Amika, HiBAR and Others

From hair spray and repair cream, to tattoo ink, children's sunscreen, toothpaste and others, several products have been recalled in recent months due to safety hazards and regulatory non-compliance. Following is an overview.

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.

Frequency of use of Preservatives 2001

From data collected in the FDA's Voluntary Registration of Cosmetics Formulations program, the author reports on the preservative most frequently used in cosmetics sold in the United States in 2001 and 1996.

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Influence of pH on the Preservative Boosting Effect of Chelating Agents

A system based on phenoxyethanol and ethylhexylglycerin (euxyl® PE 9010) from Schülke & Mayr is described here to boost the efficacy of preservatives. To substantiate its efficacy, the effects of the system were checked at pH levels of both 7.0 and 5.0.

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Influence of pH on the Preservative Boosting Effect of Chelating Agents

A system based on phenoxyethanol and ethylhexylglycerin (euxyl® PE 9010) from Schülke & Mayr is described here to boost the efficacy of preservatives. To substantiate its efficacy, the effects of the system were checked at pH levels of both 7.0 and 5.0.

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Preserving the Facts on Parabens: An Overview of These Important Tools of the Trade

Parabens have a long history as effective preservatives in foods, cosmetics and drugs, with extensively documented human and environmental safety profiles. This article reviews these important ingredients.

Emerald Performance Materials Kalama And Purox

Emerald Highlights Kalama and Purox Preservatives, Antimicrobials and More

Emerald Kalama Chemical has highlighted its Kalama and Purox ingredient lines, which are based on sodium benzoate, benzyl alcohol, benzoic acid and phenylpropanol, for preservative and antimicrobial functions.

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[video] News and Insights: Naturals, Youth Personal Care and Wellness

Another week in the books—are you caught up on your cosmetic R&D news? Watch this week's recap video for our take on the latest in personal care, including top summer trends, anti-aging innovations and natural strategies.

Seppic Purifies and Protects Scalp and Skin with Latest Active Launch

Seppic has introduced an purifying active that also offers skin protection.

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Clean and Simple: Cyclic Glucamide as a Natural Solubilizer and Preservative Booster

Clear products are associated with purity and align with today’s continued consumer demand for “clean” beauty. Here, a naturally derived cyclic glucamide is shown to solubilize lipophilic ingredients and boost preservation in clear systems.

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.

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.

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