COSRX Niacinamide 15% Face Serum, Minimize Enlarged Pores, Redness Relief, Discoloration Correcting Treatment, 0.67 fl.oz/20 ml, Not Tested on Animals, Korean Skincare

This K-beauty serum seems to be generating very positive reactions from its customers. It claims to leave the skin incredibly moisturized and glowing, and it seems to deliver on these promises. Customers have commented on their skin feeling soft, moisturized, and glowing after use. One customer even shared a before and after photo, displaying significant improvements in the appearance of her skin, thanking the serum for improving her post-breakup and weight gain slump. Even those with sensitive skin loved the product and experienced no negative reaction. Some customers did compare it to other popular serums, like The Ordinary Niacinamide brand, and found it less effective. Overall, this serum seems like a promising addition to someone's skincare routine.