About This Role
Cosmereg is seeking an experienced Regulatory Toxicologist to support the safety and regulatory assessment of cosmetics, personal-care products, dietary supplements, and related consumer products. This role focuses on compliance for products intended for the United States, California, European Union, United Kingdom, and Canada. The successful candidate must have practical experience conducting toxicological risk assessments, evaluating ingredient and impurity exposure, and preparing clear, scientifically defensible regulatory reports.
Responsibilities
- Conduct toxicological safety and exposure assessments for ingredients, impurities, contaminants, and finished products
- Perform California Proposition 65 assessments, including:
- Screening substances against the current Proposition 65 list
- Calculating daily exposure based on substance concentration and reasonably anticipated product use
- Comparing exposure with applicable NSRLs and MADLs
- Deriving or critically evaluating exposure levels where no official safe-harbor level exists
- Preparing documented weight-of-evidence assessments and warning recommendations
- Review ingredients and products for compliance with:
- US FDA cosmetic requirements, including MoCRA
- California Proposition 65 and relevant state requirements
- EU Cosmetics Regulation (EC) No 1223/2009
- UK Cosmetics Regulation and applicable guidance
- Canada Cosmetic Regulations and applicable guidance
- Review toxicological information from scientific literature, supplier documents, safety data sheets, certificates of analysis, and analytical reports
- Assess heavy metals, residual solvents, process contaminants, fragrance constituents, CMR substances, and restricted ingredients
- Prepare and review:
- Cosmetic Product Safety Reports and toxicological profiles
- Systemic Exposure Dosage and Margin of Safety calculations
- California Proposition 65 assessment reports
- Ingredient regulatory assessments
- Scientific justifications and client-facing technical responses
- Recommend appropriate analytical testing, detection limits, and risk-mitigation measures
- Monitor relevant toxicological and regulatory developments in the US, California, EU, and UK
Requirements
- Master's degree or PhD in Toxicology, Pharmacology, Pharmacy, Chemistry, Biochemistry, Pharmaceutical Sciences, or a closely related discipline
- At least 3–5 years of relevant experience in regulatory toxicology or product safety
- Demonstrable experience conducting California Proposition 65 exposure assessments—not only screening substances against the Proposition 65 list