? DUOLYS.CE SERUM ? The greatest ally of dull skin, this serum offers unparalleled efficacy thanks to its high content of pure vitamin C, a potent antioxidant. For people over the age of 30. Intensive Antioxidant Serum Ideal for: All skin types: 30 years old and + Firms up, corrects, unifies the complexion, anti-brown spot Texture: Serum When to Use: Morning or evening The greatest ally of dull skin, this serum offers unparalleled efficacy thanks to its high content of pure vitamin C, a potent antioxidant. For people over the age of 30. Its compartmentalized double formula enables Duolys CE to simultaneously combat all signs of aging: wrinkles and lines, loss of firmness, brown spots, and dullness. The 15% pure vitamin C blocks the action of free radicals, reinforces collagen production, and revives the complexion's radiance. To preserve its stability, vitamin C is isolated in a protective compartment. Each active substance thus delivers the full power of its anti-aging action on the face, neck, and decollete while remaining gentle on the more fragile skin. The complexion is unified and radiant. Wrinkles fade. The face looks more beautiful. Features: Innovative DUO packaging to ensure optimal formula stability and efficacy Non-oily, non-sticky Excellent make-up base