2PCS Dual-Chamber Fresh Vitamin C Brightening Serum for Face, 10% Pure Vit C Powder Serum, Dark Spot Corrector, Oxidation-Proof with UV Shield

PRESS-TO-ACTIVATE FRESHNESS: Dual-Chamber Lock System keeps 10% pure L-Ascorbic Acid powder separated from the liquid base until use; With one press, VC powder instantly mixes with the serum—activating maximum potency only when applied; No oxidation, no degradation
30-DAY OXIDATION PROTECTION: Built-in UV shield sleeve + vacuum-sealed chambers prevent light/air exposure. Lab-proven to stay clear for 30 days (vs. traditional VC serums turning yellow in 7 days); Zero efficacy loss between uses
7-DAY VISIBLE BRIGHTENING (Lab-Verified): 97.5% of users reported radiant skin in 7 days; 91% saw dark spots fade in 14 days; Powered by 10% medical-grade L-AA—the purest, most active form of Vitamin C—working instantly without conversion
TRIPLE BRIGHTENING COMPLEX: Brightenyl+ GLOW-C ILLUMISCIN + Algae Extract targets dullness at 3 levels; Neutralizes yellow undertones, blocks melanin transfer, soothes irritation (safe for sensitive skin)
HIGH-PERFORMANCE, LIGHTWEIGHT TEXTURE: Water-essence formula absorbs instantly with no sticky residue. Delivers 2X deeper penetration vs. traditional serums, boosting collagen + reducing acne scars