Créalina AR+ Bi-Serum is a dual-action concentrate: it combines global and specific support for reactive redness and targets the signs of aging. Biphase Tempt. Non-shimmering, non-greasy. Non-fragranced. Dermatologically tested. 1. Rosactiv 2.0: This exclusive technology, inspired by our unique NAOS ecobiology, targets the biological mechanisms involved in different types of redness and discomfort at the source to mitigate them. 2. Bakuchiol: This "retinol-like" anti-aging active ingredient adapted to sensitive skin helps restore skin firmness and smooth wrinkles and fine lines.