19 Iscaguard+ SAP
The preservation of cosmetic products is becoming ever more customer driven partially due to a wider knowledge base and partially due to bad press of chemical based preservatives. Combined with this regulatory standards governing personal care products are becoming more stringent. In the last thirty years we have seen several groups of chemical products either removed through legislation or becoming unpopular. Isca UK Ltd has worked on a solution whereby customers are able to purchase products that whilst they are not preservative chemicals as listed in Annex VI of the Biocidal Products Directive, they do inherently have anti-microbial properties. Iscaguard+ SAP is enriched with L(+) amino acids physiologically valuable substances which contribute considerably to antimicrobial effects.
Iscaguard+ SAP is a 100% natural preservative containing Ecocert certified ingredients. It is a synergistic blend of propandiol with Salix alba extract. The renewably- sourced propanediol made using a unique process is more sustainable compared to petroleum-based 1,3-PDO and PG. Benefits include its high purity, lack of skin irritation or sensitization, improved humectancy, excellent aesthetics and environmentally sustainable nature. Iscaguard+ SAP is based on compounds that occur in nature and have natural anti-microbial properties.
Typical use levels for Iscaguard+ SAP range from 0.125% to 1.0%
Using Iscaguard+ SAP Iscaguard+ SAP is soluble in water to approximately 0.35%, the preferred method of use is to pre dissolve into the non-aqueous phase prior to addition. This negates the need to heat Iscaguard+ SAP.
INCI name: Propandiol & Salix alba.
Regulatory Status Not Regulated
Table 37 Antimicrobial activity of Iscaguard+ SAP Microorganism
Pseudomonas aeruginosa Escherichia coli
Staphylococcus aureus Candida albicans Aspergillus niger
ISCA Iscaguard®
Preservative Blends
Minimum inhibitory concentration(%)
≤ 0.125 ≤ 0.125
≤ 0.125 0.5 0.5
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