【Skill 2】Understand that alcohol and preservatives are not used from the expressions such as アルコールフリー (alcohol free) and 防腐剤無添加 (no added preservatives)
Understand that things such as alcohol and preservatives are not used from the following expressions. The thing which is not used is indicated before the expressions such as フリー (free）and 無添加 (no added).
■ アルコールフリー (alcohol free）
■ 防腐剤フリー (preservative free）
■ パラベンフリー (paraben free）
■ 界面活性剤フリー (surface active agent free）
■ 石油系成分フリー (petroleum free）
Expressions such as フリー (free) and 無添加 (no added) will sometimes appear at the end of a group when there are multiple additives which are not used. The "・" between the additives means "and".
■ 界面活性剤・防腐剤・アルコールフリー（surface active agent, preservative, and alcohol free）