The invention relates to the technical field of cosmetics and medicines and specifically relates to a tyrosinase inhibitor and a preparation method and application thereof. The tyrosinase inhibitor isprepared from a virgate wormwood root extract, can be used for inhibiting generation of melanin in a cell, and can be used for inhibiting the generation of the melanin and preparing skin-whitening cosmetics.

Tyrosinase inhibitor and preparation method and application thereof

Disclosed is a composition for brightening skin, comprising a plant material (eg an extract) from Thalictrum petaloideum seeds Also disclosed is the use of the composition for brightening skin

Composition containing thalictrum petaloideum and use for brightening skin

The present invention relates to a method for producing a cosmetic composition with excellent viscosity, and a composition produced by the production method. According to the present invention, the method for producing the cosmetic composition involves a water extraction method in extracting liriope rhizome without requiring additional concentration steps, and ensures enhanced stability for cosmetic ingredients owing to high viscosity. In addition, the cosmetic composition produced by the method is able to have high viscosity with little amounts of a pH regulators owing to anthocyanin contained in the liriope rhizome extract, and also creates color without containing synthetic pigments.

Cosmetic composition comprising Liriope Extracts and the method of producing the same

The present invention discloses compositions for skin whitening using complex extracts of petals of Shindari and Rhododendron weyrichii Maxim, showing melanin production inhibitory activity in a concentration-dependent manner when treated with B16F10 cells, a mouse melanoma cell line stimulated with α-MSH, which is a melanin production inducer. An object of the present invention is to provide the compositions for skin whitening using complex extracts of petals of Shindari and Rhododendron weyrichii Maxim. The present invention provides the compositions for skin whitening of the present invention is characterized by comprising the complex extracts of petals of Shindari and Rhododendron weyrichii Maxim as an active ingredient.

Skin-lightening Composition Using an Extract of Shindari

The present invention relates to a composition for promoting collagen production containing a Chrysanthemum indicum root extract as an active ingredient. According to the present invention, the composition ensures high bioavailability, and promotes collagen production, thereby being useful for foods, soap, drugs, and functional anti-aging cosmetic products for wrinkle amelioration.

Composition For Promoting Synthesis of Collagen and Cosmetic Composition Using Extracts of Roots of Chrysanthemum indicum

The present invention relates to a cosmetic composition including a plant extract which contains a plant extract from Chrysanthemum indicum, Macrophylla, and Broussonetia kazinoki var. humilis as an active ingredient and, preferably is characterized by mixing the plant extracts from the Chrysanthemum indicum, Macrophylla, and Broussonetia kazinoki var. humilis by 1:1:1, thereby being used as a cosmetic composition for preventing skin aging and whitening by controlling activity of tyrosinase.

Jeong Ha Neul

Papers

Cosmetic composition comprising the extract of plant