SKIN TYPE: Sensitive skin, Reactive Skin / Sensibio AR+ Bi-serum is the world’s 1st* dual-action dermatological anti-redness and firming serum. The combination of two technologies (NEW PATENTED** ROSACTIV™ 2.0 TECHNOLOGY and DAF™ TECHNOLOGY) helps regulate the biological mechanisms of redness. Bakuchiol helps stimulate collagen synthesis, improving skin firmness and reducing wrinkles. *In BIODERMA ***In vitro mechanism of the active ingredient Benefits: Relieves symptoms of discomfort in 30 seconds (1) Soothes redness: 76% (2) Smoothes the skin: 71% (2) Firms the skin: 67% (2) Long-lasting hydration, 24 hours. Improves daily well-being: 79% (2) (1) Clinical study, 20 subjects, test of calming efficacy using Capsaicin, after one application, self-assessment. (2) Clinical study, 42 subjects, 28 days, % satisfaction (3) Corneometry, 12 subjects, 24 h after one application.