Detecting Sulfur in Cosmetics Using Modified Electrodes
Author Information
Author(s): Chen Pei-Yen, Luo Chin-Hsiang, Chen Mei-Chin, Tsai Feng-Jie, Chang Nai-Fang, Shih Ying
Primary Institution: Department of Cosmetic Science, Providence University
Hypothesis
Can cobalt phthalocyanine modified screen-printed electrodes effectively detect sulfur in cosmetic products?
Conclusion
The study successfully demonstrates a simple and inexpensive method for determining sulfur in cosmetics with a detection limit of 0.32 mg·L−1.
Supporting Evidence
- The CoPc/SPE showed excellent electrochemical activity towards sulfur oxidation.
- A linear calibration curve was achieved with a detection limit of 0.325 mg·L−1.
- The method demonstrated good recovery rates in real sample analysis of anti-acne creams.
Takeaway
This study shows a new way to find sulfur in skin creams using a special electrode that is cheap and easy to use.
Methodology
Cobalt phthalocyanine films were deposited on screen-printed carbon electrodes, and sulfur detection was performed using flow injection analysis.
Limitations
The method may not be applicable to all types of cosmetic products and relies on specific conditions for optimal performance.
Digital Object Identifier (DOI)
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