An antioxidant powerhouse, BioBare Vitamin C, B, E & Ferulic Serum is armed with 20% Pure vitamin C (20% L-Ascorbic Acid) and is super-charged with ferulic acid, which increases its free radical fighting ability. It also contains Hyaluronic Acid, which helps the skin retain moisture, and make it more supple and plump. This improves your skin tone, ..