Step 3: Hydrate Protect Renew the delicate eye area. Our patented Skin Repair System with Co-3 stimulates collagen synthesis. Caffeine and tiger s herb increase elasticity and firm the skin. Light diffusers soften the appearance of fine lines and dark circles for a luminous glow. Murad Environmental Shield promotes skin health by repairing, treating and preventing the aging effects of environmental exposure. Rejuvenate skin with our patented Skin Repair System with Co-3, a collagen-enhancing complex. As a leader in research and development, Murad has long been at the forefront of skincare science. Using insights from my dermatology practice and the Murad Spa, we continue this tradition. Ours is an inclusive health philosophy, a comprehensive inside and out approach to skincare. We know that healthy skin is beautiful skin.