Abstract: There is provided a composition for preventing and treating katzenjammers comprising at least one extract selected from the group consisting of a Rosa roxburghii extract, an Engelardtia chrysolepsis HANCE extract, a Nelumbo nucifera extract and a combination thereof as an active ingredient.

Abstract: A Tie2 activator containing, as an active ingredient, a hawthorn extract, a starfruit extract, a shellflower extract, a lotus extract, a rooibos extract, an Indian date extract, a Chinese quince extract, a Psidium guava extract, a long pepper extract, a Quillaja extract, a Kouki extract, a ginkgo extract, an oyster extract, a turmeric extract, a chrysanthemum extract, a jujube extract, a Chinese wolfberry extract, a chamomile extract, or a Butcher's Broom extract, or any combination thereof.

Abstract: The invention aims at finding a highly-safe natural product having glutathione production-enhancing activity, and providing a glutathione production enhancer and a prophylactic/therapeutic agent for diseases caused by glutathione deficiency using that natural product as an active ingredient. The glutathione production enhancer or the prophylactic/therapeutic agent for diseases caused by glutathione deficiency contains, as an active ingredient, a licorice extract composition that contains liquiritin, liquiritigenin, isoliquiritin and isoliquiritigenin but contains substantially no glycyrrhizic acid.

Abstract: A Tie2 activator containing, as an active ingredient, a hawthorn extract, a starfruit extract, a shellflower extract, a lotus extract, a rooibos extract, an Indian date extract, a Chinese quince extract, a Psidium guava extract, a long pepper extract, a Quillaja extract, a Kouki extract, a ginkgo extract, an oyster extract, a turmeric extract, a chrysanthemum extract, a jujube extract, a Chinese wolfberry extract, a chamomile extract, or a Butcher's Broom extract, or any combination thereof.

Abstract: The invention aims at finding a highly-safe natural product having glutathione production-enhancing activity, and providing a glutathione production enhancer and a prophylactic/therapeutic agent for diseases caused by glutathione deficiency using that natural product as an active ingredient. The glutathione production enhancer or the prophylactic/therapeutic agent for diseases caused by glutathione deficiency contains, as an active ingredient, a licorice extract composition that contains liquiritin, liquiritigenin, isoliquiritin and isoliquiritigenin but contains substantially no glycyrrhizic acid.

Abstract: A substance having a testosterone 5?-reductase inhibiting action, a hair papilla cell growth promoting action, a fibroblast growth factor-7 production promoting action, a vascular endothelial growth factor production promoting action or a bone morphogenetic protein-2 production promoting action, and a hair care product having this substance blended therein. A hair growth tonic, a testosterone 5?-reductase inhibitor, a hair papilla cell growth promoter, a fibroblast growth factor-7 production promoter, a vascular endothelial growth factor production promoter and a bone morphogenetic protein-2 production promoter each having this substance, such as corosolic acid, as an active ingredient thereof.

Abstract: A substance having a testosterone 5?-reductase inhibiting action, a hair papilla cell growth promoting action, a fibroblast growth factor-7 production promoting action, a vascular endothelial growth factor production promoting action or a bone morphogenetic protein-2 production promoting action, and a hair care product having this substance blended therein. A hair growth tonic, a testosterone 5?-reductase inhibitor, a hair papilla cell growth promoter, a fibroblast growth factor-7 production promoter, a vascular endothelial growth factor production promoter and a bone morphogenetic protein-2 production promoter each having this substance, such as corosolic acid, as an active ingredient thereof.

Abstract: There is provided a composition for preventing and treating katzenjammers comprising at least one extract selected from the group consisting of a Rosa roxburghi extract, an Engelgarditia chrysolepsis HANCE extract, a Nelumbo nucifera extract and a combination thereof as an active ingredient.

Abstract: With an object of discovering a substance having a testosterone 5?-reductase inhibiting action, a hair papilla cell growth promoting action, a fibroblast growth factor-7 production promoting action, a vascular endothelial growth factor production promoting action or a bone morphogenetic protein-2 production promoting action, and of providing a hair care product having this substance blended therein, and a hair growth tonic, a testosterone 5?-reductase inhibitor, a hair papilla cell growth promoter, a fibroblast growth factor-7 production promoter, a vascular endothelial growth factor production promoter and a bone morphogenetic protein-2 production promoter each having this substance as an active ingredient thereof, a hair care product of the present invention is made to contain corosolic acid therein, and each of a hair growth tonic, a testosterone 5?-reductase inhibitor, a hair papilla cell growth promoter, a fibroblast growth factor-7 production promoter, a vascular endothelial growth factor production pro