Recent in Preservatives (page 5 of 6)

Comparatively Speaking: Antimicrobial vs. Preservative vs. Antibiotic

Industry expert Anthony J. O'Lenick Jr. investigates the difference between an antimicrobial agent, a preservative and an antibiotic.

Paraben-free Preservation

Inolex Chemical Company has introduced a paraben-free preservative for personal care products that provides broad spectrum coverage at a neutral pH.

Flower, Berry-inspired Broad Spectrum Preservation

ISP has designed a nature-inspired, broad spectrum preservative for natural products. This ingredient is positioned as being one step closer to an all-natural preservative option.

Natural Preservation Based on Ayurveda

La’Ayur is a broad spectrum preservation system effective against gram-positive, gram-negative, molds and fungi. It also provides antioxidant, perfume, fixative and skin rejuvenation benefits.

Natural Preservation Through Cinnamon and Curry

Curry leaves are said to possess antioxidant, antimicrobial and anti-inflammatory properties. Meanwhile, cinnamon leaves are known to strengthen the immune system against diseases caused by fungi, viruses and bacteria.

Love for Preservatives

Questionable science has instilled a public sense of mistrust in preservatives, so formulators are challenged to find ingredients that preserve products without “preserving” them—or to at least find ways to reduce the levels of preservatives used in a product.

1,2-Alkanediols for Cosmetic Preservation

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.

Preserving Formulations Containing Alkyl Polyglucosides

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.

Grapefruit Ap'peeling' as a Natural Preservative

Israeli company Citramed has been developing a new complex of compounds from grapefruit peel to inhibit the growth of a wide range of bacteria, fungi and yeast naturally.

Natural Preservation from Concepts in Nature

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.

Bench & Beyond: Preservative Boosters—Up Against the Wall

This column has shown that many preservatives and preservative boosters have their killing and boosting effects at the cell wall. It seems likely that at least some of the preservative boosters will never become listed preservatives because they’ve bumped against a different kind of wall — a regulatory one.

New Answer to Tissue Engineering, Delivery and Preservation

Advances in organic gel nanomaterials could push tissue engineering, preservation and delivery systems to a new level.