10% Niacinamide Radiance Sun Serum SPF50+ PA++++

Cell Fusion C Niacin Dark Spot Sun Serum 40ml

Transparent, lightweight and moisturizing real-serum texture with a fresh, non-sticky finish. Designed to apply without white cast or pilling and to layer comfortably under cream or makeup.

High daily UV protection combined with tone-clarity and dark-spot care. Supports a transparent, hydrated-looking glow while remaining comfortable for daytime use and reapplication.

Niacinamide 10% (100,000 ppm) + Alpha-Bisabolol

Develop a true serum-like SPF50+ PA++++ system with 10% niacinamide, a clear finish and minimal stickiness. Prioritize no white cast, no pilling, easy cleansing and comfortable eye-area wear. Confirm UV-filter stability, high-niacinamide compatibility, dropper-packaging compatibility and final claims through the required stability, SPF/UVA and irritation tests.