•Performed laboratory tests to evaluate product performance and safety standards.•Developed and conducted research experiments to analyze the effects of various parameters.•Worked with Regulatory Affairs and Data Management to comply with ICH-GCP guidelines.•Performed sample preparation for analysis using solvent extraction, acid-base extraction.•Calibrated laboratory equipment such as spectrophotometers and chromatographs.•Analysed stability studies to identify trends in product performance over time.•Developed new methods for identifying unknown substances in complex mixtures using chromatography separation techniques such as HPLC,LC-MS and GC-MS.