abstract |
PURPOSE: To obtain a testosterone-5α-reductase inhibitor having excellently preventing effects on removal of hair, hair growing and restoring effects as a hair tonic or skin external preparation, containing an extract of rosaceous plant. n CONSTITUTION: Flower, pericarp, fruit, leaf, root, stem, etc., of rosaceous plant such as peach, Rosa rugasa, Rosa odorata, flower of Rosa odorata, R. coptophyllus, Rosa centifolia, sanguisorba officinalis L. or Pseudocydonia siensis is extracted with an organic solvent (e.g. acetone) or a carbon dioxide gas. At least one of the extracts is contained to prepare the objective substance. The extract of rosaceous plant is blended with an extract of plant such as Swertia japonica, Angellicae acutiloba, Panax ginseng, Zingiber officinale or Rhemannia glutinosa to prepare the objective substance. The objective substance can be processed into a dosage form such as solution, milky lotion, ointment, cream, gel of toilet lotion or aerosol. n COPYRIGHT: (C)1991,JPO&Japio |