Subtilisin Extract [5ml x 6pcs]Best for: Dead skin cell accumulation and fine lines- Subtilisin Extract is first crystallized, with impurities removed to become stable and mild so that it can be absorbed by the skin directly- It retains moisture in deep dermis and gently dissolves accumulated dead skin cells, improves fine lines and rough skin, hence back tracks the youthful radiance, resilience and translucence