Stability Chemist - R&D

Cherry Hill Free Clinic, Inc.; Ontario (CA); On-site; USD 85,000 - 110,000; Full time

Job summary

Cherry Hill Free Clinic, Inc. is seeking a Stability Chemist for our R&D team in California. The role focuses on creating and refining formulations for skincare and consumer products, ensuring stability and quality from lab to production.

You will run stability studies, track results, and collaborate with manufacturing and QA to meet project timelines and regulatory requirements, while maintaining rigorous documentation and a safe lab environment.

Qualifications

• Bachelor's degree in chemistry or related science
• Over 1 year of hands-on formulation or R&D lab experience in personal care, cosmetics, OTC, or consumer products
• Knowledge of emulsions, surfactants, and preservative systems
• Experience with stability testing, pH meters, viscometers, homogenizers, and analytical balances
• Strong Excel skills and meticulous documentation habits
• Curiosity, initiative, and a desire to grow into senior formulation roles

Responsibilities

• Developing, adjusting, and optimizing formulations for skincare, cosmetic, household, and specialty products
• Preparing lab-scale batches and supporting scale-up and troubleshooting with production teams
• Conducting accelerated and real-time stability studies to determine shelf life
• Testing samples for appearance, pH, viscosity, specific gravity, weight loss, assay, and preservative efficacy
• Coordinating outside lab testing such as HRIPT, kill testing, and assay
• Collaborating with Sales and Project Management on customer projects and resolving out-of-spec results
• Maintaining accurate records of formulations, stability reports, and weekly activities
• Ensuring a clean, safe laboratory environment following safety protocols

Skills

Formulation

Lab experience

Excel

Documentation

Education

Bachelor's degree in chemistry or related science

Tools

pH meters

Viscometers

Homogenizers

Analytical balances

Job description

Stability Chemist – R&D

Join a growing personal care manufacturer as a Stability Chemist in our R&D team, reporting to the R&D Director.

Stability Chemist – R&D

Join a growing personal care manufacturer as a Stability Chemist in our R&D team, reporting to the R&D Director.

Stability Chemist – R&D

Join a growing personal care manufacturer as a Stability Chemist in our R&D team, reporting to the R&D Director.

Key Responsibilities Include

• Developing, adjusting, and optimizing formulations for skincare, cosmetic, household, and specialty products
• Preparing lab-scale batches and supporting scale-up and troubleshooting with production teams
• Conducting accelerated and real-time stability studies to determine shelf life
• Testing samples for appearance, pH, viscosity, specific gravity, weight loss, assay, and preservative efficacy
• Coordinating outside lab testing such as HRIPT, kill testing, and assay
• Collaborating with Sales and Project Management on customer projects and resolving out-of-spec results
• Maintaining accurate records of formulations, stability reports, and weekly activities
• Ensuring a clean, safe laboratory environment following safety protocols

Qualifications and Skills

• Bachelor's degree in chemistry or related science
• Over 1 year of hands-on formulation or R&D lab experience in personal care, cosmetics, OTC, or consumer products
• Knowledge of emulsions, surfactants, and preservative systems
• Experience with stability testing, pH meters, viscometers, homogenizers, and analytical balances
• Strong Excel skills and meticulous documentation habits
• Curiosity, initiative, and a desire to grow into senior formulation roles

Enjoy a clear development pathway, diverse product work, and a collaborative work environment in a stable, expanding company that values employee engagement and growth.