Technology Iridescent ink Protection strategy Product authentication Type Overt feature System Security inks Medium Secondary packaging Authentication/Identificaton Authentication Traceability No Cost Price on request Required equipment none Vertification level Pharmacist; User N.B. Various color shades available, often used with other inks in complex designs. Description Give a rainbow effect, with multiple changing colors visible as the observer changes position relative to the printed surface. Gradual transitions and multiple colors visible simultaneously. Strengths User verifiable; Guarantee label authenticity; Relatively low cost; Limitations Too readily available to be considered as truly high-security features; Links:
Technology Iridescent ink
Protection strategy Product authentication
Type Overt feature
System Security inks
Medium Secondary packaging
Authentication/Identificaton Authentication
Traceability No
Cost Price on request
Required equipment none
Vertification level Pharmacist; User
N.B. Various color shades available, often used with other inks in complex designs.
Description Give a rainbow effect, with multiple changing colors visible as the observer changes position relative to the printed surface. Gradual transitions and multiple colors visible simultaneously.
Strengths User verifiable; Guarantee label authenticity; Relatively low cost;
Limitations Too readily available to be considered as truly high-security features;
Links:
Technology Iridescent ink
Protection strategy Product authentication
Type Overt feature
System Security inks
Medium Secondary packaging
Authentication/Identificaton Authentication
Traceability No
Cost Price on request
Required equipment none
Vertification level Pharmacist; User
N.B. Various color shades available, often used with other inks in complex designs.

| Description | Give a rainbow effect, with multiple changing colors visible as the observer changes position relative to the printed surface. Gradual transitions and multiple colors visible simultaneously. |
| Strengths | User verifiable; Guarantee label authenticity; Relatively low cost; |
| Limitations | Too readily available to be considered as truly high-security features; |
| Links: |