This regenerating and calming day and night cream is recommended for normal to dry and irritated skin. Live yeast cell derivative has shown to posses soothing and anti-inflammatory properties as well as the ability to help increase oxygen utilization by the skin. Combination of Ginkgo Biloba Blend and Super Oxide Dismutase assists free radical scavenging, helping to offset the damage that leads to premature aging. Use a small amount every morning and evening. Professional size.