
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.
98 Reviews
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Rating Breakdown
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- Quality of delivery
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reabetsoemosia
Repeat Client

United States
I had a great experience working with this Youna. She was professional, knowledgeable, and extremely thorough throughout the entire formulation process. What really stood out to me was how many detailed questions she asked to fully understand my goals, the ingredients I already had, and the tools/equipment...
reabetsoemosia
Repeat Client

United States
This is the second project Youna has done for me. She's officially now my company's chemist. She pays close attention to details and always exceeds my expectations. Her responsiveness and professionalism are unmatched. I will definitely be using her again.
mayafil

Australia
"Very happy working with Youna. She is professional, knowledgeable and easy to communicate with. Looking forward to continuing our work together."
bodiologie

Canada
Youna is very lovely to work with. I look forward to formulating more products with her. 🤍
Seller's Response
parkjline
Repeat Client

United States
