Enriched with an active, plant-based complex of Cardiospermum, Echium, and Sunflower, Dr. Barbara Sturm’s CALMING SERUM calms and rebalances irritated skin. Purslane, an anti-aging powerhouse helps calm the skin and reduce visible signs of irritation. Perfect for soothing your complexion after sun exposure, shaving, sleep loss, jet lag, air conditioning or environmental pollution. When used over time this serum strengthens the skin’s natural defenses minimizing the skin’s sensitized reaction.