PROBLEM TO BE SOLVED: To provide a washing agent, deodorizing agent and antimicrobial agent as well as a washing, deodorizing or antimicrobial method, and in particular those which have less impact on the environment and the human body.SOLUTION: Provided is a washing agent, deodorizing agent and antimicrobial agent by a liquid containing a printing ink that takes out strong stains, and a paraffinic hydrocarbon that dissolves the ink as main component, the washing agent, deodorizing agent and antimicrobial agent giving effective action for strong stains or bad malodor. Furthermore, in order to suppress the odor possessed by the liquid itself. Provided is a washing agent, deodorizing agent and antimicrobial agent preferably containing essential oils and fatty acid esters.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】洗浄剤,消臭剤及び抗菌剤ならびに洗浄,消臭または抗菌方法に関し,特に環境や人体に影響の少ない洗浄剤,消臭剤および抗菌剤ならびに洗浄,消臭または抗菌方法を提供する。【解決手段】強固な汚れを取る印刷用インクと、それを溶解するパラフィン系炭化水素を主成分とする液体による、強固な汚れあるいはひどい悪臭に対して効果的な作用を与える洗浄剤,消臭剤及び抗菌剤。さらに、液体自体が持つ臭いを抑えるため。エッセンシャルオイル及び脂肪酸エステルを含有することが好ましい洗浄剤、消臭剤及び抗菌剤。【選択図】なし