Serum clinically proven to protect the skin. - Brand: ZO SKIN HEALTH - Product Name: DAILY POWER DEFENSE - Net Weight: 50 mL - Country of Origin: USA - Product Type: Serum Thank you for viewing. I purchased this at a dermatologist's office recently (October 2025), but I am selling it because I have switched to a different cosmetic product. The expiration date is December 2027. Please check the third photo for confirmation.