Among the three methods, the full incision method can bring about the most satisfying double eyelids in the long-term, although it takes a longer time to look natural. People who are in their 20s or 30s will benefit most from this procedure as it will become unnoticeably natural over time. Among the three methods, the full incision method can bring about the most satisfying double eyelids in the long-term, although it takes a longer time to look natural. People who are in their 20s or 30s will benefit most from this procedure as it will become unnoticeably natural over time.