This method specifies the determination of free formaldehyde content in cosmetics by the post-column derivatization high performance liquid chromatography. This method applies to the determination of free formaldehyde content in liquid water-based, paste and cream and emulsion, gel, liquid oil-based, wax-based, and powder cosmetics.

This draft consists of 2 parts as listed below:

Part 1 Determination of Free Formaldehyde in Cosmetics (Draft for Comment)

1. Scope

2. Method Abstract

3. Reagents

4. Apparatus and Equipment

5. Analysis Procedures

6. Expression of Analysis Results

7. Chromatograms

• Annex A Information on Formaldehyde Standard Substance

• Annex B Liquid Chromatography-Tandem Mass Spectrometry for Reference

Part 2 Description on Drafting of Determination of Free Formaldehyde in Cosmetics

1. Drafting Principles

2. Drafting Process

3. Relationship with Relevant Existing Standards in China

4. Comparison with the Original Method in the STSC

5. Relevant International Standards

6. Laboratory Validation

7. Other Problems to be Stated