Latest production lot. Brand new, unopened. - Model Name: S300 - Capacity: 50mL - Ingredients: CICA, HYALON - Expiration Date: October 19, 2028 The 50ml bottle contains approximately 237,500 needles. This is an introductory beauty serum that combines natural beauty needles (micro-needles) and CICA ingredients. It helps to refine skin texture and helps beauty ingredients reach the stratum corneum.