Problem to be solved: to provide an oil based dispersion liquid having high transparency even if the concentration of the effective component is relatively high.Solution: in the oil phase, a material that is difficult or insoluble with respect to the oil phase and an aqueous component (excluding the above substance).Solution: (1) a dispersion liquid in which droplets are dispersed, and (1) the average particle size of the droplets is 30 to 500 nm, (2) the content of the substance is 0.5 to 10% by mass in the dispersion, (3) the aqueous component is a water or b) a mixture of water and water soluble substances, and (4) said aqueous The content of the component is 0.2 to 12.5% by mass in the dispersion, (5) the content of the moisture is 0.2 to 5% by mass in the dispersion, and (6) the light transmittance of the wavelength of 660 nm in the dispersion is 70% or moreThe present invention relates to a transparent dispersion liquid.Diagram【課題】有効成分の濃度が比較的高くても高い透明度を有する油ベースの分散液を提供する。【解決手段】油相中に、当該油相に対して難溶性ないしは不溶性の物質と水性成分(但し、前記物質を除く。)とを含む液滴が分散してなる分散液であって、(1)前記液滴の平均粒径が30~500nmであり、(2)前記物質の含有量が分散液中0.5~10質量%であり、(3)前記水性成分がa)水又はb)水と水溶性物質との混合液であり、(4)前記水性成分含有量が分散液中0.2~12.5質量%であり、(5)水分含有量が分散液中0.2~5質量%であり、(6)分散液における波長660nmの光線透過率が70%以上であることを特徴とする透明分散液に係る。【選択図】図1