Divya Mahajan

Cosmetic Research Scientist with Masters in Pharmaceutics (Cosmetic Science)

About

Cosmetic Research Scientist with a Masters in Pharmaceutics (Cosmetic Science focus) and hands-on experience in sunscreen and skincare product development for global portfolios. Strong background in formulation experimentation SPFUVA testing photostability claims validation and process optimization across aerosol and emulsion-based systems. Experienced in supporting products from concept through launch and post-launch partnering cross-functionally with commercial regulatory and packaging teams to enable effective data sharing and informed decision-making. Demonstrate strong communication skills scientific leadership and passion for translating new ideas into innovative high-performing skin health solutions aligned with product development strategy and innovation roadmaps.

Publications

Types of Polymeric Micelles for Controlled Drug Release

Polymeric Micelles: Principles, Perspectives and Practices

2023

Investigation of Sun Protective Factor (SPF) of Raspberry Seed Oil, Niacinamide and Zinc Oxide in combination for their possible use in a sunscreen formulation

Unknown Venue

2024

Education

Long Island University New York

Master of Science (MS) / 2025

SVKMs NMIMS Mumbai

Bachelor of Pharmacy / 2023

Experience

Edgewell Personal Care

Suncare Aerosol Scientist / August, 2025 — December

Contribute to the development of global sunscreen and skincare products providing formulation expertise across aerosol formats in alignment with strategic portfolio goals. Lead formulation experimentation and process optimization reducing photodegradation of certain UV Filters from 80% to 10% through systematic evaluation of UV filter systems boosters dispersions and delivery architecture to enhance efficacy while maintaining cosmetic elegance. Validate sunscreen performance and support efficacy and claim substantiation through in vitro SPF testing (Labsphere UV-2000S) accelerated and real-time stability studies and microstructural analysis (Nikon Eclipse). Design and execute DOE using Stat-Ease to define critical process parameters guide formulation decision-making and support innovation roadmaps for future product development opportunities. Manage sunscreen performance validation and claim substantiation through in vitro SPF testing (Labsphere UV-2000S) accelerated and real-time stability and microstructural analysis (Nikon Eclipse) ensuring data integrity from development post-launch. Act as an RD technical partner to packaging regulatory and commercial teams enabling effective data sharing clear technical communication and timely resolution of formulation or scale-up challenges. Support commercialization by preparing concentrates optimizing propellant-to-concentrate ratios and evaluating valveactuator performance pressure and leak integrity to ensure robust global launch readiness.

Long Island University

Graduate Assistant Compounding Formulation / September, 2024 — May, 2025

Led hands-on formulation laboratories for 40+ Pharm.D. students covering topical oral and parenteral systems grounded in physical science principles and formulation best practices. Executed and instructed 30+ formulation protocols focused on stability excipient functionality and process optimization strengthening structured experimentation and troubleshooting skills. Demonstrated leadership and communication skills by mentoring students in formulation accuracy compliance and scientific documentation.

Colgate-Palmolive

Intern Skin Health Product Development / June, 2024 — August, 2024

Supported premium skin health product development by evaluating sunscreen efficacy across globe-relevant UV filter systems and boosters generating SPF UVA1UV ratio and critical wavelength data using Labsphere SUNTEST systems. Conducted broad-spectrum testing on 11 triplicate formulations using PMMA plates and COLIPA Boots Star methodologies to support claims substantiation and comparative efficacy assessment. Collaborated cross-functionally to develop an Excel-based extinction coefficient lookup tool significantly improving technical data sharing and accelerating early-stage formulation screening. Identified new opportunities for innovation by benchmarking formulation performance and advancing high-potential sunscreen prototypes aligned with broader product development strategy.

Intern Regulatory Affairs / May, 2022 — July, 2022

Supported regulatory compliance initiatives by analyzing CDSCO updates and medical device rules to guide internal action plans. Developed clear regulatory summaries that streamlined interpretation of device classification and compliance requirements.

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