厚生労働省ホームページより

医薬品等の個人輸入について
医薬品、医薬部外品、化粧品又は医療機器を営業のために輸入するには、薬事法の規定により、厚生労働大臣の承認・許可等が必要です。

Importing or Bringing Medication into Japan for Personal Use
 

• An importer of medication (drug, quasi-drug, cosmetic or medical device) for business purposes needs a License from the Minister of Health, Labour and Welfare under the Pharmaceutical Affairs Law.
  
• There is no need for a License for individual’s importing or bringing medication into Japan for personal use. An individual can import the following restricted quantities of medication without special procedures. Medication imported or brought into Japan for personal use must not be sold or given to othe