Lierac Premium Complete Anti Aging Extreme Regenerating Serum 30ml The absolute anti-ageing booster serum smoothes, firms and hydrates ice with several active ingredients: restorative plant microspheres, an anti-aging hyalu-3 concentrate, and extracts of black antioxidant flowers.   This deliciously melting serum, dosed at 10% in pure hyaluronic acid solution, stimulates natural repair of DNA for exceptional cell regeneration.Corrects in depth all signs of ageing.Promotes cell regeneration processes.Prolongs skin youth.Protected and repaired in depth, the skin regains its potential for the synthesis of collagen, elastin and hyaluronic acid.