Recent in Preservatives (page 2 of 4)
Nov 12, 2013
"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.
Nov 12, 2013
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.
Nov 12, 2013
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.
Nov 11, 2013
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 17, 2013
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.
Oct 1, 2013
schülke’s sensiva line of multifunctional additives provides personal care products with a balance between efficacy and natural. The latest evolutions of this line, sensiva PA 30 and sensiva PA 40, are as gentle as natural ingredients and as effective as traditional preservatives.
Sep 23, 2013
Jeen International Corp. has combined organic acids and efficacy boosters in a glycerin base to offer formulators an alternative to traditional preservatives.
Aug 5, 2013
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.
Jul 12, 2013
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.
Jul 11, 2013
The concept of “sealed and preserved” is well-portrayed by the visual of a pull-top lid, and it’s relevant to many industries—from food and beverages, to tennis balls. Preservation is also among the most popular search topics on the Cosmetics & Toiletries website, so we know it’s an important subject to many readers.
Jul 11, 2013
Preservatives are critical ingredients in personal care products and cosmetics, where they help to ensure consumer safety as well as product performance and stability. Among these materials, formaldehyde-donor (FD) preservatives have demonstrated a long history of safe and effective use for controlling microbial growth.
Jul 9, 2013
As formulators build the latest creations, they must ensure that each part of the product meets its target and predetermined standards. Although characteristics such as aesthetics, fragrance, performance and color are market-dependent, preservative efficacy is not and must remain high.