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Preservatives
New in Preservatives (page 7 of 8)
Feb 07, 2006 | 09:58 AM CST
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.
Dec 23, 2005 | 06:06 PM CST
Frequency of Use of Preservatives 2003
By: David C. Steinberg, Steinberg & Associates
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.
Dec 23, 2005 | 06:04 PM CST
Makeup Powders Preservation and Water Activity
By: Valerie Vignier, Anne-Marie Mounier and Veroni…
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.
Dec 13, 2005 | 11:37 PM CST
New Alternatives to Paraben-Based Preservative Blends
By: Klaus Weber, Schulke & Mayr GmbH
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.
May 06, 2003 | 02:00 AM CDT
Preservation of "Atypical" Cosmetic Product Systems
By: John I. Yablonski and Sharon E. Mancuso, Bio-C…
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.
May 06, 2003 | 02:00 AM CDT
Measuring Synergy
By: David C. Steinberg, Steinberg & Associates
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.
May 06, 2003 | 02:00 AM CDT
CTFA Preservative Challenge and Stability Testing Survey
By: The Cosmetic Toiletry and Fragrance Associatio…
CTFA conducted a survey in 1999 to determine the consistency of the industry's procedures for preservative and stability testing used by the cosmetic industry.
May 06, 2003 | 02:00 AM CDT
The Safety Factor in Preservative Efficacy Testing
By: Donald S. Orth, Neutrogena; David C. Steinberg…
The authors explain how preservative efficacy testing is done to determine whether a formula is adequately preserved. Product contamination problems are frequently caused by inadequate preservation.
May 06, 2003 | 02:00 AM CDT
Preserving Skin Care Products Containing Avobenzone
By: Megan Diehl, Rohm and Haas Company
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.
May 06, 2003 | 02:00 AM CDT
Preservative Efficacy Testing of Aqueous Cosmetics and Drugs without Counting Colonies
By: D.S. Orth and K.S. Delgadillo Eck, Neutrogena …
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.