Abstract: The present invention relates to a composition containing a masterwort (Peucedanum Ostruthium) extract as an active ingredient. The composition of the present invention exhibits effects of reducing the amount of endothelin 1 by containing a masterwort extract, and reducing the overexpression of NK1R and EDN1 genes. Therefore, the masterwort extract of the present invention can exhibit, by said effects, skin homeostasis maintenance and anti-stress effects, and thus can be widely used as acomposition for maintaining skin homeostasis in the pharmaceutical or cosmetic field.

Abstract: The present specification discloses a composition comprising a Scutellaria alpina extract as an active ingredient. The composition disclosed in the present specification exhibits the effect of reducing melanogenesis or inhibiting tyrosinase activity by comprising the Scutellaria alpina extract. As a result of the effect, the Scutellaria alpina extract of the present specification can exhibit a whitening effect and thus can be widely used as a whitening composition in the field of pharmaceuticals or cosmetics.

Abstract: The present specification discloses a composition comprising an umbel (masterwort, Peucedanum ostruthium) extract as an active ingredient. The composition disclosed in the present specification exhibits the effect of reducing melanogenesis or inhibiting tyrosinase activity by comprising the umbel (masterwort, Peucedanum ostruthium) extract. As a result of the effect, the umbel (masterwort, Peucedanum ostruthium) extract of the present specification can exhibit a whitening effect and thus can be widely used as a whitening composition in the field of pharmaceuticals or cosmetics.

Abstract: Disclosed is a composition comprising an extract of alpine wormwood (Artemisia umbelliformis) as an active ingredient. The composition disclosed in the present specification, which comprises the extract of alpine wormwood (Artemisia umbelliformis), exhibits an effect of reducing the amount of endothelin 1 and reducing the overexpression of NK1R and EDN1 genes. Accordingly, due to such effects, the alpine wormwood (Artemisia umbelliformis) extract of the present disclosure can exhibit benefits for maintaining skin homeostasis as well as an anti-stress effect, and thus can be widely used in pharmaceutical or cosmetic fields as a composition for maintaining skin homeostasis.

Abstract: The present invention relates to a composition containing a Scutellaria alpina extract as an active ingredient. The composition of the present invention exhibits effects of reducing the amount of endothelin 1 by containing a Scutellaria alpina extract, and reducing the overexpression of NK1R and EDN1 genes. Therefore, the Scutellaria alpina extract of the present invention can exhibit, by said effects, skin homeostasis maintenance and anti-stress effects, and thus can be widely used as a composition for maintaining skin homeostasis in the pharmaceutical or cosmetic field.

Abstract: Disclosed is a composition containing an extract of alpine wormwood (Artemisia Umbelliformis) as an active ingredient. The composition disclosed in the present specification has the effect of reducing melanin generation, or inhibiting activation of tyrosinase due to the composition containing the extract of an alpine wormwood (Artemisia Umbelliformis). Accordingly, due to such effects, the alpine wormwood (Artemisia Umbelliformis) extract of the present specification can exhibit a whitening effect, and thus can be widely used in the pharmaceutical or cosmetics fields as a whitening composition.

Abstract: In an aspect, the present disclosure provides a composition for moisturizing skin, which contains a bamboo sap and a betaine as active ingredients. Specifically, the composition exhibits skin moisturizing effect by regulating natural moisturizing factors (NMFs) and is useful as a cosmetic composition, a pharmaceutical composition or a health food composition effective in moisturizing skin.

Abstract: The present invention relates to a composition for life extension and particularly to a composition for life extension containing a ginseng fruit extract. The present invention can extend the life of an individual by containing the ginseng fruit extract as an active ingredient and thus is medically highly useful.

Abstract: The present invention relates to novel melanocytes and melanoblasts. In addition, the present invention relates to a novel method for producing melanocytes and melanoblasts. Specifically, provided is novel melanocytes of which gene expression, melanin content, and tyrosinase activity are different from those of conventional melanocytes. Even more specifically, provided is novel melanoblasts of which the gene expression, the melanin content the tyrosinase activity, and the protein expression are different from those of conventional melanocytes. Additionally, provided is a novel method for producing melanocytes or melanoblasts by culturing keratinocytes.