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New in Preservatives (page 2 of 8)
Nov 23, 2011 | 08:53 AM CST
Patent Picks—Natural Preservatives, Beta-Lactam for Hair Growth, Allyl Caproate for Sensory and More
By: Rachel L. Grabenhofer
Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to actives for skin and hair care as well as inventions to improve formulation stability, preservation and sensory attributes.
Oct 28, 2011 | 03:22 PM CDT
The Required D-Value: Evaluating Product Preservation in Relation to Packaging and Consumer Use/Abuse
By: D.S. Orth, PhD, R.F. Barlow and L.A. Gregory, …
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.
Oct 28, 2011 | 01:45 PM CDT
By: Elsa Jungman, Cécile Laugel and Arlette Baille…
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.
Oct 28, 2011 | 10:14 AM CDT
By: Michael J. Fevola, PhD, Johnson & Johnson
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.
Oct 26, 2011 | 09:01 AM CDT
"Nature-identical" phenethyl alcohol was used to create schülke's sensiva® PA 20 (INCI: Phenethyl Alcohol (and) Ethylhexylglycerin). Phenethyl alcohol occurs widely in nature and has properties that help maintain the microbiological stability of personal care formulas.
Jun 01, 2011 | 10:33 AM CDT
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.
Jun 01, 2011 | 09:52 AM CDT
This article investigates the ability of Zemea (INCI: Propanediol) to boost preservative efficacy in an aqueous personal care formulation. This 100% bio-based propanediol is a colorless, pure glycol alternative derived from a sustainable, renewable corn fermentation process. The testing was conducted using standardized microbiology guidelines, known as preservative efficacy testing or challenge tests.
May 12, 2011 | 12:14 PM CDT
Dow Microbial Control announced the opening of its Customer Application Center in Melbourne, Australia, which will focus on developing microbial solutions specific to the Asia-Pacific region.
May 11, 2011 | 04:44 PM CDT
Continuing its live report from the New York Society of Cosmetic Chemists (NY SCC) Suppliers' Day, Cosmetics & Toiletries magazine presents a few highlights from day two of the show, including color technology launches, naturals and preservatives, among others.
While the trend for natural and more eco-friendly ingredients at this year's show may come as no suprise, innovations launched in the color category—beyond just a new shade—are less common and therefore worth noting, especially considering the regulatory hurdles for which they are being designed to address. For instance, as reported on day one, Colipa is expected to release guidance suggesting that cosmetics contain less than 100 ppm heavy metal.
As Suppliers' Day 2011 closed, exibitors and attendees alike left feeling confident that the industry has survived the economic downturn, as evidenced by the continued innovative ingredient launches, which ensure an even better future.
May 02, 2011 | 01:35 PM CDT
By: Peter Tsolis and Steve Schnittger, The Estée L…
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.