Guinot Serum Longue Vie Youth Boosting Serum (formerly known as “Serum Lounge Vie Youth Renewing Serum”) uses 20 amino acids, 14 vitamins, 15 biological actives and a blend of 7 trace elements and mineral salts to recreate skin culture mediums. Other ingredients instantly lift, firm and moisturize the skin, leaving it with a more youthful appearance.