optiphen™ bsb-n preservative | rokonsal™ bsb-n preservative

chemistry: antimicrobials

INCI: Benzyl Alcohol (and) Glycerin (and) Benzoic Acid (and) Sorbic Acid

optiphen™ bsb-n preservative is a combination of benzoic and sorbic acids in benzyl alcohol. Ashland's nature-identical preservatives are ideal solutions for products aimed at the Eco-aware consumer. This product is validated by ECOCERT according to the COSMOS-standard. Due to the organic acids, optiphen™ bsb-n preservative may be classified as a mild preservative. It is effective against Gram-positive and Gram-negative bacteria, yeasts and molds at acid pH values.

The product is also marketed under the trade name rokonsal™ bsb-n.

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trade name: optiphen™ bsb-n preservative | rokonsal™ bsb-n preservative

features and benefits
  • effective against gram-positive and gram-negative bacteria, yeast and mold
  • effective up to pH 5.4
  • global use
  • nature-identical combination
  • validated by COSMOS and NATRUE


leave-on ++
rinse-off ++
wet wipes +

use levels: 0.3-1.0%

max. temperature during production: below 80°C

additional information

pH 2 - 5.4
regulatory compliance* Brazil, Canada, China, EU, Mexico, US
technologies without formaldehyde donor, without halogen, without isothiazolinones, without paraben, without phenoxyethanol
chemistry type with benzylalcohol, with organic acids

++ recommended, + suitable

*For country-specific details, please contact your technical service representative.

sustainability features

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sustainability descriptor page >
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