
your trusted partner in scientific innovation
Strategic scientific guidance for formulation, testing, and commercialization of personal care and nutraceutical supplement products — from concept to market.

SCIENTIFIC CONSULTING
for personal care & Nutraceutical supplements innovation
Based in New York City, serving clients worldwide
Hi! I am Roselin Rosario-Meléndez, Ph.D.
Scientist and Scientific Consultant with expertise in chemistry, materials, formulations, and inventing new products.
I partner with cosmetics, personal care and nutraceutical supplement companies to provide strategic scientific support in formulation, testing, scale-up, and intellectual property protection, from early development through commercialization. If your projects requires rigorous science, clear technical strategy, and practical execution, I can help.
Innovation Unleashed, Success Delivered.
Who I work with
Indie and emerging brands, established companies, contract manufacturers, formulators, founders and R&D teams
How I Support Innovation
Problem definition, evidence and data, risk and decision making, cross-functional collaboration
FORMULATION STRATEGY & PRODUCT DEVELOPMENT
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Science-driven formulation strategy for cosmetics, personal care, and dietary supplements. Services support ingredient selection, system design, performance optimization, and stability planning aligned with product goals, regulatory expectations, and manufacturing realities.
Outcomes and Client Benefits:
Formulations designed for performance, safety, and long-term stability
Reduced reformulation cycles through early risk identification
Clear scientific rationale supporting scale-up, claims, and regulatory review
TESTING STRATEGY & METHOD DEVELOPMENT
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Testing strategies developed to support product performance, stability, safety, and regulatory readiness. Test methods are designed to be fit-for-purpose, scientifically robust, and aligned with product claims, formulation characteristics, and applicable regulatory frameworks.
Outcomes and Client Benefits:
Scientifically sound test methods aligned with product goals and claims
Reduced risk of inconclusive or non-actionable data
Clear rationale linking test design, results, and development decisions
DELIVERY SYSTEMS & PRODUCT PERFORMANCE
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Scientific guidance is provided for controlled delivery systems and formulation architectures designed to enhance efficacy, bioavailability, and product performance. Strategies consider ingredient compatibility, system stability, and real-world use conditions.
Outcomes and Client Benefits:
Improved delivery of actives for enhanced performance
Reduced incompatibility and degradation risks
Systems designed with manufacturability and scalability in mind
SCALE-UP & MANUFACTURING READINESS
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Technical support is provided to bridge the gap between laboratory development and commercial manufacturing. This includes formulation robustness assessment, process considerations, and technical guidance to reduce scale-up risk.
Outcomes and Client Benefits:
Smoother technology transfer from R&D to manufacturing
Reduced production delays and unexpected failures
Formulations designed to perform consistently at scale
SCIENTIFIC & TECHNICAL ADVISORY
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Ongoing scientific and technical advisory support for teams navigating complex challenges. This service is designed for organizations that require expert-level input to guide decision-making across research, development, and commercialization stages.
Advisory support integrates chemistry, formulation science, testing strategy, and regulatory awareness to address technical uncertainties, evaluate development pathways, and reduce risk. Engagements may be short-term or ongoing, depending on project scope and organizational needs.
Outcomes and Client Benefits:
Faster, more confident technical decision-making
Reduced development risk through early identification of concerns
Improved alignment between scientific development, business goals, and compliance requirements
Access to senior-level scientific expertise without the overhead of a full-time role
INTELLECTUAL PROPERTY & INNOVATION STRATEGY
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Strategic guidance on intellectual property protection and innovation strategy, including early-stage IP assessment, freedom-to-operate considerations, and alignment of scientific development with patent strategy and commercialization goals.
Outcomes and Client Benefits:
Stronger technical foundations for IP filings
Clear differentiation of formulation innovations
Alignment between scientific development and business strategy

A SCIENTIFIC PARTNER YOU CAN TRUST
I bring more than 15 years of hands-on experience across chemistry, formulation science, testing, and process development, with a practical understanding of how cosmetic products move from concept to market. I work closely with clients to ensure technical decisions are sound, defensible, and aligned with their product vision and business goals.
I am based in New York City and work with clients across the United States and internationally. My experience supporting innovation across diverse markets allows me to help teams develop products that are scientifically sound, strategically protected, and positioned for global commercialization.
My clients value my ability to integrate science, innovation strategy, and intellectual property considerations into a cohesive development approach.
credentials at a glance
- Ph.D. in Polymer Chemistry
- Experience at L’Oréal, Merck, advanced technology organizations
- Worked across cosmetics, personal care, supplements, pharma and medical devices
- Global consulting engagements
