This shelf life can generally be seen on the bottle body or bottom. Generally, the date of imported products is written backwards. Generally, the date of production is not marked, only the period of validity is marked. The shelf life is generally three years, and the production date is the validity minus the shelf life. Japan Lion King Co., Ltd. was founded in 189 1 year and has a history of 120 years. It is a century-old Japanese daily chemical brand and one of the largest consumer goods companies.