The medix 5.5 Collagen + Peptides Day & Night Treatment is designed for full body use. With a volume of 444ml, it aims to lift and firm the skin, containing collagen and peptides to plump and rejuvenate. Description Plump + Lift Dermatologist Tested No Added Parabens Skincare is a Science. Use the power of proven science to rebalance your skin. Each formula features advanced ingredient combinations for your daily skincare routine. Collagen: Visibly plumps the look of wrinkles and fine lines. Peptides: Visibly tightens and promotes a more lifted & toned appearance.