The unique serum is formulated with ingredients called spicules that penetrate the skin like tiny microneedles that you can actually feel. Some may consider it uncomfortable or find that it stings ...

Since I’m such a fan of the K-beauty brand, I’m refreshing my 2025 regimen with its other popular formulas. Notably, I’m snagging the Peptide Skin Booster Serum, which happens to be a ...