Abstract: The present invention relates to cosmetic, food, and quasi-drug compositions having antioxidant, anti-inflammatory, and wrinkle or elasticity improvement effects, comprising citrus peel extracts as an active ingredient, which increase phenolic compounds, increase the generation of flavonoid aglycones, and reduce furanocoumarin, a harmful substance, a method for preparing the same, and citrus peel extracts prepared by the method. The present invention has excellent antioxidant, anti-inflammatory, and wrinkle or elasticity improvement effects, and thus can be used as a cosmetic composition, a food composition, and a quasi-drug composition that are safe for the skin and have excellent skin condition improvement effects.

Abstract: Provided are a composition including a steamed Glycyrrhiza sp. extract with increased glycyrrhetinic acid contents as an active ingredient, a method of improving the skin, the method including the step of applying or administering the composition to an individual, a method of preparing the composition, and a Glycyrrhiza sp. extract prepared by way of the method. The present invention has excellent antioxidant, whitening, anti-inflammatory, skin revitalization, and regeneration effects, and is thereby used as a cosmetic composition, a food composition, or a quasi-drug composition that is safe for the skin while having an excellent effect of improving skin conditions.

Abstract: The present invention relates to a composition comprising plant extracts. The composition according to the present invention has a skin whitening effect by reducing the total amount of melanin and tyrosinase activity in melanocytes of the skin, promotes skin regeneration and increases skin elasticity or reduces skin wrinkles by promoting collagen synthesis and inhibiting collagenase activity in fibroblasts of the skin, has an anti-inflammatory effect or a skin soothing effect by inhibiting NO generation, increases the amount of moisture in the skin and has a moisturizing effect by promoting generation of hyaluronic acid in fibroblasts, and has an antioxidant effect by scavenging free radicals. In addition, since the composition of the present invention exhibits a broad antibacterial effect against various bacteria, the composition may be used as a cosmetic composition, a pharmaceutical composition, a skin external preparation, or a food composition.

Abstract: The present invention relates to a skin administration system capable of improving the efficiency of skin delivery of an ingredient for controlling release of neurotransmitters and, particularly, to a microneedle containing an ingredient for controlling release of neurotransmitters.

Abstract: The present invention relates to a composition for preventing or improving wrinkles, which comprises a Symplocarpus foetidus extract or a fraction thereof as an active ingredient. Specifically, the present invention relates to a cosmetic composition, a food composition, a pharmaceutical composition, and a quasi-drug composition, which comprise a Symplocarpus foetidus extract or a fraction thereof as an active ingredient; and to a method for improving wrinkles, comprising administering the composition comprising a Symplocarpus foetidus extract or a fraction thereof to a subject excluding humans.

Abstract: The present invention relates to a skin administration system capable of improving the efficiency of skin delivery of an ingredient for controlling release of neurotransmitters and, particularly, to a microneedle containing an ingredient for controlling release of neurotransmitters.

Abstract: The present invention relates to a skin administration system capable of improving the efficiency of skin delivery of an ingredient for controlling release of neurotransmitters and, particularly, to a microneedle containing an ingredient for controlling release of neurotransmitters.

Abstract: The present invention relates to a skin administration system capable of improving the efficiency of skin delivery of an ingredient for controlling release of neurotransmitters and, particularly, to a microneedle containing an ingredient for controlling release of neurotransmitters.