We use it like this in Korea!! October 18 2025, by numberskin Unlocking Youthful Skin: My Honest Review of CKD Retino Collagen Low Molecular 300 Cream (1+1 Special Set!) Retino Collagen Low Molecular 300 Cream 1+1 Special Set (CKD) Korean consumers rated it like this!! Living in Korea, skincare is practically a... Read more