COSRX Pure Vitamin C 13% Serum with Vitamin E & Hyaluronic Acid, Brightening & Hydrating Facial Serum for Dark Spots, Fine Lines, Uneven Skin tone, 0.67fl.oz/20ml, Animal Testing-Free, Korean Skincare

Having used other vitamin c products I thought I would be able to use regularly like previous products. I was wrong. Had to use every other day. My skin was too sensitive to it. Definitely be aware of what your skin can manage. Works well. Just user needs to know your skin.

This vitamin C serum has made my face smooth bright and moisturized. The small bumps on my face have slowly gone away. I like the way it makes my face feel moisturized throughout the day. Some people say it feels oily, and it does feel like an oil when you first apply it...

I have been using it for a week, morning & night...& I am seeing a difference in my skin! I have sensitive skin with dark patches on my cheek bone area from working outdoors during the winter for 3 decades...it has taken it's toll on my poor aging skin! I have tried dozens...