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Colorants in transferable picture tattoos for the skin

Contents

Summary

1 Introduction

2 Sample Collection

• 2.1 Market survey
• 2.2 Legislation
• 2.3 Labelling check
• 2.4 Samples for the analysis of colorants

3 Analysis

• 3.1 Chemicals and reagents
• 3.2 Sample preparation
• 3.3 High performance liquid chromatography (HPLC)
• 3.4 UV-Visible spectra library of reference colorants
• 3.5 Identification and semi-quantitative determination

4 Results

5 Risk assessment

6 Discussion

7 References

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Version 1.0 August 2005, © Danish Environmental Protection Agency