An alkaline composition comprising an amino alcohol solvent and a fragrance formulation, wherein the fragrance formulation comprises an ester functional group, an α, β-unsaturated aldehyde functional group, and / or an α, β-unsaturated ketone functional group. An alkaline composition comprising up to 40% perfume raw material per weight of perfume raw material.アミノアルコール溶媒及び香料配合物を含むアルカリ性組成物であって、該香料配合物が、エステル官能基、α,β-不飽和アルデヒド官能基、及び/又はα,β-不飽和ケトン官能基を含む香料原材料を、香料原材料の重量あたり最大で40%含む、アルカリ性組成物。