ISCA Iscaguard® Iscaguard BOA ® Iscaguard® BOA is a brand new environmentally friendly
preservative suitable for leave on and wash off products. It is based on benzyl alcohol with a synergistic blend of organic acids. It has advantages of being broad spectrum and comes in the form of an easy dispersible liquid. Iscaguard®
BOA is designed for use in skin friendly
formulations with pH values up to 6.5. It offers protection against bacteria, yeasts mould and fungi and also offers protection at the interface in containers.
Regulatory Status Iscaguard®
BOA is permitted for use in personal care
products within the European Union (maximum 1.5%) and the USA and Japan (safe as used)
INCI name: Benzyl Alcohol, Dehydro Acetic Acid, Sorbic Acid and Benzoic Acid
Using Iscaguard® BOA Iscaguard® BOA is soluble in water to approximately 1%
however heating to 40°C maybe required for dispersion into some aqueous solutions. For effective performance it is advisable a 48 hour contact period is necessary to kill any micro-organisms caused from contamination. Good production hygiene is advisable and also raw materials with a low level of contamination are essential.
Staphylococcus aureus Bacillus cereus
Enterococcus faecium Candida albicans Saccharomyces cerevisiae Aspergillus niger
0.21 0.21 0.21
0.13 0.11
0.13
Use Concentrations Leave On Rinse Off
0.2 – 1.00% 0.2 – 1.00%
ISCA UK Limited highly recommends the usage concentration should always be determined by incorporation into the end product. ISCA UK LIMITED offers a free challenge testing service to determine suitability of its products.
Table 33 Antimicrobial activity of Iscaguard®
Microorganism
Pseudomonas aeruginosa Escherichia coli Proteus vulgaris
BOA
Minimum inhibitory concentration(%) 0.25 0.06 0.24
Preservative Blends
16
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