Dr. Barbara Sturm’s Calming Serum offers a gentle touch for sensitive skin, featuring a unique blend of Cardiospermum, Echium, and Sunflower extracts to soothe and reinforce the skin’s natural defenses, easing visible irritation.Purslane, known for its age-defying properties, enhances the serum, promoting calm and balanced skin. Its lightweight texture provides comfort without heaviness. This fragrance-free, cruelty-free serum is safe for even the most delicate skin types and excludes parabens, PEG, and GMOs.