Formulation/Analytical Chemist – Personal Care R&D

Bolt Threads is pioneering a new generation of biotech ingredients for haircare, skincare, and color cosmetics. By harnessing the power of nature’s materials, we create scientifically advanced, clean, luxurious ingredients that help beauty brands meet their customers’ demands for sustainability and performance.

The Team

The Bolt Threads team is a close-knit and dedicated team working relentlessly in the search and the creation of new materials to enable consumer brands to foster a positive and genuine environment-product-consumer relationship. The value we provide drives harmony between beauty, personal care, and the environment on a global scale.

The Role

We are seeking a Formulation/Analytical Chemist to join our innovative R&D team, focused on developing personal care products. The ideal candidate will bring hands-on expertise in formulation, analytical testing, and lab operations, contributing to creating cutting-edge products for skin, hair, and color cosmetics. Success in this role will require a candidate who is willing to learn new skills, is capable of cross-functional collaboration with other departments, and can work in a fast-paced, fluid environment. This is a full-time, on-site position in Hayward, CA.

Key Responsibilities:

Formulation Development

• Develop and produce formulation batches ranging from 50 to 500 g.
• Focus on personal care formulations, including skin, hair, and color cosmetics.
• Conduct qualitative assessments and ensure product appeal.
• Execute work within a GLP-compliant environment (bonus).

Analytical Testing

• Perform QC/QA testing of formulations and raw materials, including stability testing.
• Conduct analytical testing using microscopy, viscosity, and pH analyses.
• Utilize HPLC and SEC for advanced testing (preferred).
• Apply rheological techniques to evaluate product performance (bonus).

Documentation and Compliance

• Author and maintain quality procedures and lab documentation.
• Accurately document stability and ongoing test results in lab books.
• Adhere to best practices for data integrity and record-keeping.

Lab Maintenance and Support

• Prepare solvents and buffers as needed.
• Manage hazardous waste disposal in compliance with regulations.
• Restock and replenish consumables to ensure seamless lab operations.

Qualifications:

• Bachelor’s degree in Chemistry, Biochemistry, Cosmetic Science, or related field
• 2 years of experience in personal care product formulation, preferably in an R&D setting.
• Proficiency with analytical testing techniques, including stability testing and microscopy.
• Familiarity with HPLC, SEC, and rheology is highly desirable.
• Strong attention to detail and adherence to GLP standards.
• Excellent communication skills and ability to document and share results effectively.