Doctor Recella deep2031 Essence Remover Mini Size 15ml Brightening Serum (serum) 1ml x 2 Both are new and unopened. The deepest ocean deep water in Japan. Cosmetics made from its blessings. What is deep2031? "deep" means to deliver the purest blessings of the deepest seawater to the depths. "2031" is the water age (by radiocarbon dating) of the deep ocean water existing at a depth of 1,500 meters or more, which is used as the base for cosmetics. From these two meanings, it was named "deep2031".