
Youna
Level 1
Turning your Cosmetic Idea into Runaway Success
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Work experience
Formulation chemist
SKINNITY • Full-time
Aug 2023 - Dec 2025 • 2 yrs 4 mos
Worked as a Formulation Research & Development Chemist, responsible for developing and optimizing skincare and haircare formulations from concept to production. Conducted ingredient research, prototype development, stability evaluations, formulation troubleshooting, and manufacturing scale-up while ensuring product quality, performance, and compliance with cosmetic regulatory standards.
106 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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cammy_sama15

United States
She’s amazing. Knows what she’s doing and offers exceptional advice. Provided great value to my product and I will be using her again for future product projects. Walked me through the process from begging to end!

Seller's Response
mayafil

Australia
"Very happy working with Youna. She is professional, knowledgeable and easy to communicate with. Looking forward to continuing our work together."
Seller's Response
caromiglio

Argentina
Working with Youna has been a great experience. She is professional, knowledgeable, and genuinely collaborative — always open to questions, feedback, and adjustments throughout the process. Her formulations are clean, well-researched, and thoughtfully built around real ingredient science. I particularly...
annaoshea90

Australia
Youna has been a pleasure to deal with. Communication has been excellent, formulation was delivered quickly. Just waiting on ingredients to test first draft.
bodiologie

Canada
