La Prairie Cellular Luxe Lip Enhancer Details Lip-perfecting complex. Re-defines lip outline. Retards lip colour feathering. Maintains lip colour longevity. Designer About La Prairie: As a leader in cellular, anti-aging therapy for more than half a century, the La Prairie brand is famous worldwide for the scientific integrity of its products and its commitment to perfection. Laboratoires La Prairie traces its proud heritage to the highly renowned Clinique La Prairie in Montreux, Switzerland.