UV preservation – across the spectrum

Ashland finds its progressive Optiphen MIT Ultra and Optiphen MIT Plus preservatives can eliminate microbial contamination as quickly as halogenated antimicrobials and faster than parabens when used in broad spectrum sunscreens.

A study conducted at Ashland compares the efficacy of its progressive Optiphen MIT Ultra and Optiphen MIT Plus preservatives with parabens and halogenated antimicrobials for use in broad spectrum sunscreens. Nadia Konaté and Andrea Wingenfeld report

Developments in preservative formulations are continually made to meet the requirements of a very dynamic and demanding personal care market and adjustments made to respond to product specificities, new trends and regulations. Classic preservatives now share the market with newly developed antimicrobials, which bring additional qualities such as stability or broad approval to the preservative portfolio. Such developments benefit the personal care formulator, especially when dealing with difficult to preserve products.

used extensively over the years and have proven to be efficient antimicrobial agents in a variety of personal care products. They are easy to formulate, have broad spectrum activity and are compatible with many cosmetic ingredients.

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