Provision of a TRPA1 activity inhibitor capable of reducing sensory irritation to skin or mucous membrane and an agent for reduction of sensory irritation for skin or mucous membrane. A TRPA1 inhibitor and an agent for reduction of sensory irritation for skin or mucous membrane comprising as an active ingredient a compound represented by the following formula (1) wherein R1 and R3 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkyl group having 1 to 6 carbon atoms, R4 represents a hydrogen atom, a methyl group or an ethyl group, and a double line composed of a dotted line and a solid line represents a single bond or a double bond.
提供一种TRPA1活性
抑制剂,能够减少对皮肤或黏膜的感觉刺激,并且用作减少皮肤或黏膜感觉刺激的药剂。一种TRPA1
抑制剂和一种用作减少皮肤或黏膜感觉刺激的药剂,其活性成分为以下式(1)所代表的化合物,其中R1和R3分别独立地表示氢原子或具有1至3个碳原子的烷基基团,R2表示具有1至6个碳原子的烷基基团,R4表示氢原子、甲基基团或乙基基团,由虚线和实线组成的双线代表单键或双键。