A GC-MS Quality Analyst in a cosmetics manufacturing company works in the QC (Quality Control) laboratory and uses GC/GC-MS to verify that cosmetic raw materials and finished products meet quality, safety, and specification requirements.

Main job responsibilities
Analyze raw materials such as fragrances, essential oils, solvents, emollients, preservatives, and other volatile ingredients using GC/GC-MS.
Test finished cosmetic products such as perfumes, deodorants, creams, lotions, shampoos, hair products, etc., where GC-MS is applicable.
Perform identification and quantification of fragrance components and volatile compounds.
Check impurities and unwanted volatile substances.
Perform residual solvent analysis when applicable.
Prepare samples, standards, solvents, and reagents accurately.
Operate and maintain GC-MS and GC instruments.
Perform system suitability, calibration checks, and instrument performance checks.
Review chromatograms, mass spectra, integration, calculations, and analytical results.
Compare results against approved specifications and test methods.




Investigate OOS/OOT results and assist with root-cause investigations.
Follow GMP, GLP, SOPs, safety procedures, and data-integrity requirements.
Maintain laboratory records, instrument logbooks, worksheets, and analytical reports.
Assist with method development, method validation/verification, and method transfer.
Coordinate with QA, Production, R&D;, and other QC sections.
Support audits and regulatory/customer requirements.

Skills you should know

GC-MS principle and instrumentation
GC column selection and temperature programming
Carrier gases and gas-flow control
Injector types and injection techniques
Mass spectrometer basics
EI ionization and mass spectra
SIM and scan modes
Retention time and peak identification
Internal standard/external standard concepts
Calibration and system suitability
Chromatogram interpretation
GC-MS troubleshooting
GMP/GLP and positive documentation practices
OOS/OOT investigati

📌 Quality Analyst GC MS (Jhajjar)
🏢 Bo International
📍 Jhajjar