S.J. Kim
무릎 건강해야 열심히 걷고 운동할 수 있어요.. 우리 모두 힘내요~
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This is a collagen knee cartilage injection made by LG Chem. It acts as a protective barrier for damaged cartilage, reduces friction in the cartilage, and prevents further damage. However, I experienced significant pain for about a day or two after the injection.