Biotherm, Homme (Age Fitness Advanced Day 50ml) Age Fitness Advanced is an all day shield to help protect the skin. This active serum formula enriched with micro-algae complex delivers 12 hour antioxidant protection to protect the skin against future damage while at the same time targets the very first signs of ageing. Skin looks firmer, smoother and more toned. Fine lines become less visible. To use: Use every morning. Pump one does in to palm. Smooth over face and finish by the neck.