| 摘要 |
PURPOSE: To obtain a skin preparation for external use containing an extract of a specific crude drug and having excellent beautifying effect and high safety. CONSTITUTION: This skin preparation contains 0.00001-10wt.%, preferably 0.001-5wt.% (as dried solid content) of extracts of one or more kinds of crude drugs selected from Acanthopanacis Cortex, Araliae Cortex, Sophorae Flos, Rosa Laevigata, Sinomeni caulis et Rhizoma, HIKAI [rhizome of Dioscorea septemloba Thunb., Dioscorea tokoro Makino or Dioscorea collettii Hook. f. var. hypoglauca (Palib.) Pei et Ting] and Inulae Flos as active ingredients. The extracts of the crude drugs have suppressing action on melanogenesis and the effect is remarkably excellent in Acanthopanacis Cortex and Inulae Flos. The skin preparation is prepared in skin lotion, milky lotion, cream, pack, dispersion, cleaning agent, make up cosmetic, ointment, cream agent, liquid for external use, etc., by properly blending the extracts of crude drugs with conventional arbitrary ingredients. The extracts of these crude drugs are obtained by extracting these crude drugs with a proper solvent (e.g., water-ethyl alcohol mixture) at an ambient temperature or under heating. |
