An Assay Development Scientist creates assays or systems to test and evaluate the effect of a chemical compound on an organism. Directs assay development as part of a research process to develop new drugs.
Who We Are John Paul Mitchell Systems ("JPMS") is recognized worldwide for developing and marketing innovative hair and skin care products since 1980. We've been serving the professional beauty industry with salon-quality hair care products, styling tools and professional hair color through our family of brands including Paul Mitchell, MITCH, Awapuhi Wild Ginger, Tea Tree, Paul Mitchell Tools, Neuro, The Demi, Paul Mitchell the Color, Blonde, and Color XG. We were the first professional hair care company to take a stand against animal testing and continue our strong commitment to giving back, supporting a wide range of philanthropic causes both domestically and internationally. Sustainability has always been a priority, and we are committed to making our company operations climate neutral to preserve the beauty of the world around us.
Who You Are:
You are a skilled and enthusiastic, high-performing professional who is passionate about hair care and wants to positively contribute to the growth of our iconic brand as well as to our people first culture. About the Role We are seeking a Hair Color Chemist to join our R D color team, supporting the formulation, optimization, and evaluation of high-performance professional hair color products. This is a hands-on bench role for a scientist who brings technical depth in color chemistry, genuine curiosity for formulation, and the discipline to execute with rigor in a fast-paced, cross-functional environment. You will work closely with the Principal Hair Color Chemist to develop shade palettes, optimize formulas, execute performance and stability testing, and support manufacturing scale-up. The right candidate is a specialist who understands oxidative systems, developer chemistry, and alkalizing agents, and who approaches every formula with scientific rigor and an uncompromising eye for quality. This role works fully onsite in our Santa Clarita lab. It requires up to 10% travel. What You will
Do :
Formulate and optimize professional hair color products•permanent, demi/semi-permanent, lighteners, and developers•from bench development through scale-up support Develop shade palettes, tones, and coverage levels based on project briefs, stylist feedback, and competitive benchmarks Prepare and manage lab batches, maintaining accurate formulas, records, and version control throughout the development process Plan and execute performance, stability, and compatibility testing; analyze results and recommend formula improvements based on data Investigate formulation and manufacturing issues, identifying root causes and implementing solutions grounded in technical evidence Evaluate and select raw materials within established platforms, balancing safety, regulatory, cost, and performance requirements; collaborate with suppliers as needed Maintain complete and accurate technical documentation, including formulas, batch records, test reports, and change documentation Partner with Marketing, Education, Regulatory, Quality, Operations, and Manufacturing to support product delivery against performance, claims, cost, and timeline objectives Support manufacturing scale-up by documenting critical process parameters and providing on-call technical guidance during production Provide technical support for regulatory submissions, safety assessments, claims substantiation, and internal product inquiries Support stylist and salon testing programs, capturing consumer and stylist feedback and translating it into actionable formulation improvements Contribute to product usage instructions, education materials, and application best practices from a formulation standpoint Ensure compliance with cosmetic regulations, company standards, and laboratory safety procedures Stay current on hair color technologies, ingredient innovations, and competitive products; continuously deepen expertise in hair fiber science and color chemistry
Requirements:
Required Qualifications:
Skills:
Solid understanding of cosmetic chemistry fundamentals: polymers, conditioning systems, emulsions, rheology modifiers, and surfactants Experience transferring formulas from lab scale to manufacturing, with an understanding of critical process parameters Working knowledge of global cosmetic regulations (US and EU) Ability to manage multiple projects simultaneously with strong attention to detail and follow-through Clear communicator•able to present technical findings and test results clearly to cross-functional stakeholders Collaborative and team-oriented; comfortable working closely with senior chemists and cross-functional partners
Education:
Bachelor's degree in Chemistry, Cosmetic Science, Chemical Engineering, or related field required
Experience:
3+ years of hands-on laboratory formulation experience in hair color, hair care or color cosmetics
Preferred Qualifications:
Skills:
Hands-on formulation experience in hair color development•strongly preferred; experience with oxidative dye systems, semi-permanent dyes, alkalizing agents, bleaching chemistry, developers, and tone control technologies Experience in professional salon brands or with salon-channel products Experience supporting global launches or working across multi-market regulatory frameworks Familiarity with the professional salon market and awareness of consumer and stylist needs and expectations Exposure to color cosmetics or adjacent beauty categories
Education:
Master's degree preferred
Experience:
Hands-on formulation experience in hair color development•strongly preferred; experience with oxidative dye systems, semi-permanent dyes, alkalizing agents, bleaching chemistry, developers, and tone control technologies We are eager to meet people who believe in our mission and can contribute to our team in a variety of ways•not just candidates who check all the boxes. If you think you would be a good fit for the position and our company, we invite you to apply. Working Conditions On-site, full-time at the California R D facility (Los Angeles, CA) Up to 10% travel for Contract Manufacturer visits, salon validation, or innovation support
Competitive Compensation:
The expected base salary range for this position is $85,000 to $95,000. The exact base salary is determined by various factors including geographic location, experience, skills, and education.
Discretionary Bonus Plan:
This position is also eligible for participation in the company discretionary bonus plan, based on personal performance and company results.
Comprehensive Benefits Package:
In addition to base salary, JPMS offers a competitive benefits package to eligible employees, including medical, dental, vision, life, accident, critical illness, and disability insurance, retirement savings plans and company match, paid family leave, education-related programs, paid holidays, discretionary vacation time, and more. We are an Equal Opportunity Employer and take pride in a diverse environment. Salary Description $ 85000.00•$ 95000.00 Compensation details: 0 Yearly Salary PIac8f2b5-
