Thubelihle D.
R&D & QC Supervisor
Experience
Jan 2024 - Present
2 yearsR&D & QC Supervisor
Quintessence Collections
- Promoted from R&D Assistant following outstanding contributions in process optimization and quality improvements
- Supervise R&D and QC operations, ensuring regulatory and ISO/GMP compliance across product development and production
- Lead stability, performance, and microbial product testing, ensuring 100% compliance and zero failed outcomes
- Streamlined SOPs and quality documentation, driving a 90% improvement in efficiency across R&D and QC
- Collaborate with QA, production, and management to troubleshoot large-scale batch issues and reduce rejects
- Mentor junior team members, ensuring adherence to laboratory and manufacturing best practices
- Provide technical leadership for new product development and reformulation projects across ethnic haircare and skincare lines
Jan 2022 - Dec 2024
3 yearsFormulation Chemist
Freposhane
- Developed and optimized skincare, haircare (including ethnic haircare: conditioners, treatments, relaxers, oils), and color cosmetic formulations, ensuring stability, safety, and compliance
- Supported NPD/EPD scale-up from lab to manufacturing and coordinated cross-functional product launches
- Drafted SOPs and provided technical training to production staff
- Conducted sensory, performance, and stability testing aligned to consumer expectations and market needs
- Collaborated with dermatologists and QA to ensure safety, efficacy, and regulatory compliance
- Successfully launched 15+ new products, driving a 45% increase in sales
- Improved product stability and shelf life by 30% through reformulation strategies
- Reduced raw material costs by 15% through optimized sourcing
Jan 2020 - Dec 2021
2 yearsFounder & R&D Lead
Independent Skincare Brand
- Established and managed a skincare brand, overseeing R&D, production, and compliance
- Implemented ISO-aligned systems and collaborated with dermatologists on efficacy and safety validation
- Led end-to-end product development, launches, and customer engagement
Summary
Results-driven R&D professional with 4 years of progressive experience in formulation chemistry, R&D, and quality control, including leadership roles in FMCG manufacturing.
Recently promoted to R&D & QC Supervisor after driving a 90% improvement in departmental processes, reducing microbial product testing non-conformances to 0%, and significantly lowering product rejects through systematic quality and process enhancements.
Proven track record in new product development (15+ launches), scale-up to manufacturing, regulatory compliance, consumer insights, cost-saving programs, and cross-functional partnerships with marketing, production, and supply chain teams.
Skilled in aligning innovation with commercial goals while managing project resources and contributing to budget planning to deliver safe, effective, and commercially successful products across skincare, haircare (including ethnic hair), and personal care categories.
Languages
English
AdvancedEducation
Oct 2019 - Jun 2022
University of Witwatersrand
Bachelor of Science · Chemistry · Johannesburg, South Africa
Certifications & licenses
SAAFFI Certificate (NQF 6): Application Of Chemistry In Flavours & Fragrances
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