We use it like this in Korea!! October 18 2025, by numberskin Dermafirm Soothing Repair Serum R4 Review: My Secret to Calmer, Happier Skin! (+Cream Bonus!) Soothing Repair Serum R4 50ml Planning (+Cream 50ml) (Dermafirm) Korean consumers rated it like this!! Dermafirm R4 Serum in the Korean Skincare Scene:... Read more