Shop Wholesale Cosnori Long Active Eyelash Serum 1.5ml. The Cosnori Long Active Eyelash Serum is a highly popular Korean eyelash enhancer designed to promote longer, thicker, and healthier lashes through a nourishing, oil-free formula. While the standard retail size is 9g (approximately 0.3 fl oz), a 1.5ml version is often available in travel sets or mini packs. 

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