Bio Conditioning Essence 168ml, IOPEPRODUCT INFORMATION The serum re energizes the skin daily during the first skincare storage. An antiaging serum that contains Bio Redox_, a reproduction of the skin's necessary antioxidation enzymes. Expiration Date: Expiry date additionally provided or use it within 12 months after opening the product for the optimal state of the product. It is difficult to provide with the date of manufacture as it changes frequently.