Brand from Japan: matsukiyo. Firming care. Contains azelaic acid (*1) and vitamin C derivative (*2). Prevents skin roughness, tightens skin, and refines skin texture, maintaining a clean and healthy complexion.*1 Azelaic acid (skin conditioning ingredient).*2 3-O-ethyl ascorbic acid (moisturizing ingredient).How to use:Please be sure to add the entire contents to either M-Cure Derma by PD Serum 1 or M-Cure Derma by PD Serum 2 before use.Open the pump of either M-Cure Derma by PD Serum 1 or M-Cure Derma by PD Serum 2 by twisting it.Remove the cap from the capsule shot (this product).After adding the entire contents, close the pump and shake it gently up and down to distribute it evenly. (Approximately 4-5 times)Dispense onto clean hands and spread over the entire face. Note that the capsule will crush and mix with the serum when dispensed from the pump.A maximum of 2 capsule shots can be added to either M-Cure Derma by PD Serum 1 or M-Cure Derma by PD Serum 2.