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Rapid Determination of Preservatives in Cosmetics Using a Core-Shell Column
Misa Tanaka1, Takahiro Doi1, Akihiro Takeda1
1Osaka Institute of Public Health, Division of Hygienic Chemistry, Pharmaceutical Affairs Section, 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan.
Journal of Chromatographic Science
|September 20, 2022
Summary
A new high-performance liquid chromatography method rapidly analyzes 11 cosmetic preservatives in under 17 minutes. This efficient technique ensures accurate quality control and regulatory compliance for cosmetic products.
Area of Science:
- Analytical Chemistry
- Cosmetic Science
Background:
- Cosmetics require preservatives for quality maintenance.
- Regulatory bodies and manufacturers need efficient methods to quantify cosmetic preservatives.
- Existing analytical methods can be time-consuming.
Purpose of the Study:
- To develop a rapid, simultaneous determination method for 11 regulated cosmetic preservatives.
- To improve analytical efficiency for cosmetic quality control and regulatory analysis.
Main Methods:
- High-performance liquid chromatography (HPLC) utilizing a core-shell column.
- Simultaneous separation and quantification of 11 common cosmetic preservatives.
Main Results:
- Successful separation of 11 preservatives within 17 minutes, halving previous analysis times.
- High accuracy and precision demonstrated with peak resolution >2.6, correlation coefficients >0.9988, recoveries of 92.0-111.9%, and relative standard deviations <3.5%.
- Method showed excellent reproducibility across 6 researchers with relative standard deviations <4.7%.
Conclusions:
- The developed HPLC method is an effective and rapid tool for analyzing preservatives in cosmetics.
- This method enhances efficiency for both regulatory compliance and manufacturer quality control.
- The technique offers high accuracy, precision, and reproducibility for cosmetic preservative analysis.
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