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Self Employed Cosmetic Product Testing Jobs in Riverside, CA

Americannmade

Sales Representative

Highland, CA · On-site

This is a self-employed independent contractor position, a 1099 job, which compensates 5% commission from contractor's sales * Update accounts with any new product(s) as they are released * Educate ...

Americannmade

Sales Representative

Highland, CA · On-site

This is a self-employed independent contractor position, a 1099 job, which compensates 5% commission from contractor's sales * Update accounts with any new product(s) as they are released * Educate ...

York Employment

QC Supervisor-Paint and Coatings

Fontana, CA · On-site

$60K - $70K/yr

Perform and oversee product testing and inspections. * Maintain accurate testing, inspection, and ... Self-motivated, detail-oriented, and able to work efficiently in a hands-on environment. You should ...

New

Intertek

Sales Representative

Lake Forest, CA · On-site

$65K - $80K/yr

We go beyond Testing, Inspection and Certification of products: we are a Total Quality Assurance ... We're looking for somebody who is self-sufficient with an entrepreneurial approach in their work.

Intertek

Sales Representative

Lake Forest, CA · On-site

$65K - $80K/yr

We go beyond Testing, Inspection and Certification of products: we are a Total Quality Assurance ... We're looking for somebody who is self-sufficient with an entrepreneurial approach in their work.

Griffin Funding

Mortgage Processor - Irvine

Irvine, CA · On-site

$10K/mo

Self-employed borrowers with variable comp. This isn't cookie-cutter Fannie Mae processing. You're ... Most processors never touch investor products, complex income scenarios, or Non-QM programs. Here ...

GAF

Production Operator

Fontana, CA · On-site

$25.39/hr

Completes product testing in accordance with product specification and records data on applicable ... Balancing - Occasionally * Position Self/Stooping - Frequently * Position Self/Kneeling ...

CTK USA INC

Director of QA

Corona, CA · On-site

In this role, you will hold ultimate authority and responsibility for the quality systems governing the manufacture, testing, and release of OTC monograph drug and cosmetic products. Reporting ...

Gaf

Production Operator

Fontana, CA

$25.39/hr

Completes product testing in accordance with product specification and records data on applicable ... Balancing - Occasionally * Position Self/Stooping - Frequently * Position Self/Kneeling ...

CTK USA INC

Director of QA

Corona, CA · On-site

$180 - $240/hr

In this role, you will hold ultimate authority and responsibility for the quality systems governing the manufacture, testing, and release of OTC monograph drug and cosmetic products. Reporting ...

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Showing results 21-40

All JobsSelf Employed Cosmetic Product Testing JobsSelf Employed Cosmetic Product Testing Jobs in Riverside, CA

Self Employed Cosmetic Product Testing information

See Riverside, CA salary details

$12

$27

$54

How much do self employed cosmetic product testing jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for self employed cosmetic product testing in Riverside, CA is $27.06, according to ZipRecruiter salary data. Most workers in this role earn between $20.05 and $30.10 per hour, depending on experience, location, and employer.

What is self employed cosmetic product testing?

Self-employed cosmetic product testing involves independently evaluating the safety, effectiveness, and quality of cosmetics such as skincare, makeup, and haircare products. Individuals in this role may work as consultants, reviewers, or product testers, often collaborating with beauty brands or conducting their own assessments. The job typically includes applying products, documenting results, and sometimes sharing feedback or reviews online. Testers must be knowledgeable about cosmetic ingredients, safety standards, and potential allergens. This role offers flexibility and the opportunity to influence product development while requiring responsibility for ethical and accurate reporting.

What skills and qualifications are needed to thrive as a self employed cosmetic product tester?

To thrive as a self-employed cosmetic product tester, you need a solid understanding of cosmetic product ingredients, skin types, and safety standards, often supported by relevant experience or certifications in cosmetology or dermatology. Familiarity with regulatory guidelines, patch testing protocols, and digital tools for documentation or reporting is highly beneficial. Attention to detail, strong communication skills, and integrity are crucial soft skills for accurate evaluation and transparent feedback. These skills ensure product safety, reliable results, and build trust with clients and consumers in a competitive industry.

What are common challenges faced by self employed cosmetic product testers, and how can they be managed?

Self-employed cosmetic product testers often face challenges such as sourcing diverse, high-quality products to test, staying compliant with safety regulations, and building credibility in the industry. Managing these challenges involves networking with reputable brands, keeping up-to-date with the latest cosmetic standards and regulations, and maintaining detailed records for each test conducted. Establishing a professional online presence and collecting testimonials from clients can also help in building trust and attracting new opportunities.

What is the difference between Self Employed Cosmetic Product Testing vs Cosmetic Laboratory Technician?

AspectSelf Employed Cosmetic Product TestingCosmetic Laboratory Technician
CredentialsTypically no formal certification required, but industry knowledge helpsOften requires a degree or certification in cosmetic science or related field
Work EnvironmentHome-based or independent settings, flexible scheduleLaboratory setting, structured environment with equipment
Employer & Industry UsageIndependent contractor, freelance testing for brands or labsEmployed by cosmetic labs or manufacturing companies
Work FocusConducting product tests, safety assessments, and reportingPerforming laboratory tests, quality control, and data recording

Self Employed Cosmetic Product Testing involves independent testing and reporting, often with flexible hours and minimal formal credentials. In contrast, a Cosmetic Laboratory Technician works within a lab environment, typically holding relevant certifications or degrees, focusing on technical testing and quality control. Both roles are essential in the cosmetic industry but differ mainly in work setting and formal qualifications.

How do you become a self employed cosmetic product testing professional?

To become a self-employed cosmetic product testing professional, you should have knowledge of cosmetic ingredients and safety standards, often gained through relevant training or certifications. Building a network with cosmetic companies and offering your services as an independent tester or reviewer is essential, along with maintaining detailed records and adhering to industry regulations. Flexibility and good communication skills are also important for working with clients and providing accurate feedback.

How to become a self employed cosmetic product tester?

To become a self-employed cosmetic product tester, you should build knowledge of skincare and cosmetic ingredients, create a portfolio or profile highlighting your experience, and seek opportunities through freelance platforms or direct contacts with companies. Having good communication skills and attention to detail can improve your chances of securing testing roles, which often involve evaluating product safety, texture, and effectiveness from home or in controlled environments.

What are the most commonly searched types of Cosmetic Product Testing jobs in Riverside, CA?

The most popular types of Cosmetic Product Testing jobs in Riverside, CA are:

What are popular job titles related to Self Employed Cosmetic Product Testing jobs in Riverside, CA?

For Self Employed Cosmetic Product Testing jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Self Employed Cosmetic Product Testing jobs in Riverside, CA look for?

The top searched job categories for Self Employed Cosmetic Product Testing jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Self Employed Cosmetic Product Testing jobs?

Cities near Riverside, CA with the most Self Employed Cosmetic Product Testing job openings:

Self Employed Cosmetic Product Testing jobs near you
Infographic showing various Self Employed Cosmetic Product Testing job openings in Riverside, CA as of August 2026, with employment types broken down into 78% Full Time, 18% Part Time, 3% Contract, and 1% Nights. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $56,276 per year, or $27.1 per hour.

Sr Chemist or Product Development Manager

Propedix, Inc.

Irvine, CA • On-site

$60K - $100K/yr

Full-time

Re-posted 11 days ago

Job description

Job Description – Sr. Chemist or Product Development Manager
About the Company:  Propedix is a biopharma and consumer health company dedicated to advancing innovative treatments in healthcare. Our flagship product Dryello for Athletes Foot, featuring our breakthrough anti-fungal and drying agent technology, launched in Q3 2025, and we have a pipeline of advanced OTC and Rx treatments in dermatology and health. Driven by strong research and development, we’re delivering the next generation of topical skin solutions.
Position:   Sr. Chemist or Product Development Manager (30 hours per week for contract or Full time for W-2 Postion )
Position Overview: The Chemist or Product Development Manager will play a key role in the research, development, testing, and commercialization of new OTC dermatology and anti-fungal products, with an initial focus on next-generation anti-fungal sticks and related topical technologies. This position combines hands-on scientific work with project management responsibilities and coordination with contract manufacturers, testing laboratories, and development partners.  The position will work closely with the Director of Manufacturing, Project Manager, Chief Medical Officer, and Chair of the SAB.
Chemist, Product Development Manager Responsibilities
A. Product Development & Formulation Support
·       Support development of new anti-fungal and topical OTC products.
·       Manage formulation development, prototype evaluation, and product optimization.
·       Coordinate laboratory testing and stability studies of products in development.
·       Maintain accurate experimental records and technical documentation.
B. Chemical Analysis & Testing
·       Conduct and oversee chemical and physical testing of raw materials and finished products.
·       Review analytical data generated by third-party laboratories.
·       Assist in development and validation of analytical methods.
C. New Product - Project Management
·       Work with Company’s project manager to ensure product development projects are properly documented, evaluated, tracked from concept through commercialization.
·       Coordinate activities among CMOs, testing laboratories, and internal stakeholders.
·       Investigate product quality issues and support root-cause analyses.
D. External Partner Management
·       Serve as a primary technical contact for CMOs and external laboratories.
·       Coordinate sample submissions, testing schedules, and technical communications.
Location: Remote position with requirement to be in the lab at least 2 days per week (on average) and attend in-person all day meetings on a monthly basis. Due to the in-person lab requirements, candidates should reside in either a) Northern Colorado (Denver–Fort Collins corridor) or b) Southern California (Orange County or San Diego County).

Education/ Experience/ Necessary Skills
Education: Bachelor’s degree required in Chemistry, Biochemistry, Chemical Engineering, Industrial Engineering, Physics, or a related STEM discipline.  Advanced technical degree highly advantageous but not required.
Experience Requirements: 
Senior Chemist: 5 to 10 years of relevant industry experience.
Product Development Manager: 7 to 12 years of relevant industry experience including experience leading and managing new formulations development processes through the clinical development.  
Very strong preference in either position for experience in OTC pharmaceuticals, dermatology, topical products, cosmetics, consumer health products, or regulated manufacturing environments. Candidates without OTC, biopharma industry, consumer health/cosmetics and lab experience should not apply.
Knowledge and familiarity FDA processes required.
Skills & Competencies:
Analytical & Instrumentation Skills
  • Proficient in operating and maintaining analytical instrumentation, including HPLC, GC, FTIR, UV‑Vis, Karl Fischer, viscometers, pH meters, analytical balances, and titration systems.
  • Skilled in method execution, sample preparation, calibration, and troubleshooting of routine analytical equipment.
  • Ability to perform quantitative and qualitative analysis of raw materials, in‑process samples, and finished formulations.
  • Experience interpreting chromatograms, spectra, and other analytical outputs to support formulation decisions and quality investigations.
  • Familiarity with stability testing, degradation profiling, and analytical method verification.
Formulation Development & Product Creation
  • Hands‑on experience compounding, batching, and preparing prototype formulations for topical, dermal, or personal‑care products.
  • Ability to design and execute bench‑scale experiments, adjust formulation variables, and document results with scientific rigor.
  • Skilled in evaluating physical and chemical properties (viscosity, hardness, spreadability, homogeneity, phase stability, pH, density).
  • Experience scaling formulations from bench to pilot and supporting tech transfer to manufacturing.
  • Understanding of ingredient functionality (emollients, emulsifiers, actives, preservatives, humectants, rheology modifiers) and how they influence product performance.
Testing, Characterization & Quality
  • Ability to perform routine QC tests, including (but not limited to) appearance, viscosity, pH, specific gravity and melting point.
  • Experience conducting accelerated and real‑time stability studies, including sample pulls, data trending, and reporting.
  • Skilled in root‑cause analysis, deviation support, and contributing to CAPA investigations.
  • Familiarity with raw material qualification, COA review, and supplier documentation.
Regulatory, GLP, and GMP Compliance
  • Working knowledge of relevant Good Laboratory Practices (GLP) and Good Manufacturing Practices (GMP) for documentation, data integrity, and sample handling in a CPG or OTC environment, including batch record review, change control, and controlled documentation.
  • Ability to follow SOPs, test methods, and controlled procedures with precision and traceability.
  • Experience maintaining clean, safe, and compliant laboratory environments, including chemical handling, waste disposal, and equipment logs.
Technical Documentation & Communication
  • Strong ability to write lab reports, formulation records, test methods, and development summaries suitable for QA and regulatory review.
  • Skilled in maintaining batch sheets, and experimental documentation with audit‑ready accuracy.
  • Ability to communicate technical findings to cross‑functional teams (R&D, QA, Regulatory, Manufacturing, Marketing).  
Hours:  Contract position is 30 hours per week.  For both roles, expectations for availability is during company work hours of 8:30 to 5:00 PM Pacific Time, Mon to Fri.  Hybrid.  2 to 3 days a week can be remote, home office.  Flexible schedule with availability for meetings and project coordination during normal business hours.
Compensation:
Salary ranges vary depending on experience level and if candidate is looking for part-time or full-time:
 | Senior Chemist |
Part Time (Contract): $60k to $72k annual salary
Full Time (Employee): $80k to $90k annual salary + benefits + initial LTI (Stock Option grants)
 | Manager, Prod Dev |
Part-Time (Contract): $72k to $84k annual salary
Full-Time: $90k to $110k annual salary + benefits + initial LTI (Stock Option grants)

Support and Supervisor:   Reports directly to the CEO and works closely with CMO, Chair of SAB, technical, manufacturing, quality, regulatory, and external development partners.