Abstract:
PURPOSE: A method for isolating Broussonetia kazinoki extract is provided to ensure excellent skin whitening and high stability. CONSTITUTION: A method for preparing Broussonetia kazinoki extract comprises: a step of isolating Broussonetia kazinoki with a solvent at 50-100°C for 1-10 hours; a step of placing Broussonetia kazinoki extract at -5 to 25°C for 1-40 hours; and a step of crystallizing the Broussonetia kazinoki. The solvent is alcohol. The method further comprises a step of supporting the Broussonetia kazinoki extract in a carrier. The Broussonetia kazinoki extract is contained in 0.01-30 wt% based on the carrier. The method also comprises a step of using HSCCC(High speed counter current chromatography) of two phase solvents to prepare a skin whitening active ingredient, kazinol C.
Abstract:
PURPOSE: A composition containing polysaccharide of Orostachys herba, green tea, or Artermisia capillaries is provided to prevent skin trouble and acne and to maintain skin homeostasis and skin bacteria balance. CONSTITUTION: A composition contains 0.0001-60 weight% of polysaccharide of Orostachys herba as an active ingredient. The composition further contains 0.0001-60 weight% of polysaccharide of green tea or Artermisia capillaries as an active ingredient. The composition reduces skin harmful bacteria and enhances skin beneficial bacteria.
Abstract:
PURPOSE: A cosmetic composition for skin whitening containing Averrhoa bilimbi extract is provided to improve skin function through skin whitening or anti-aging. CONSTITUTION: A cosmetic composition for skin whitening contains Averrhoa bilimbi extract as an active ingredient. A cosmetic composition for anti-aging contains Averrhoa bilimbi extract as an active ingredient. The cosmetic compositions further contain Gynura procumbens extract or Gynura pseudochina extract as an active ingredient. The compositions suppress melanogenesis. The active ingredient is contained in 0.1-5 weight% based on total weight.
Abstract:
A composition for relieving skin inflammation is provided to relieve skin irritation and inflammation by nitrogen oxide (NO) and retinoid using 12 kinds of natural medicinal plant extract. A cosmetic composition for relieving skin inflammation comprises one or more kinds selected among Alstonia scholaris, Gomphandra tonkinensis, Asarum petelotii, Pegia sarmentosa, Allium polyrrhizum, Asparagus gobicus Ivanova, Rheum uninerve Maxim, Corispermium mongolicum, Corispermum chinganicum, Salsola monoptera, Jurinea mongolica Maxim and Allium altaicum. The cosmetic composition relieves nitrogen oxide-mediated inflammation and irritiation or inflammation by retinoid. The retinoid is selected from a group of retinol, retinal and retinoic acid.
Abstract:
A cosmetic composition is provided to improve the skin winkle without the side effect by producing procollagen and by inhibiting MMP-1. A cosmetic composition contains 0.001-10 wt% of a biflavonoid derivative as an active ingredient. Preferably the biflavonoid derivative is extracted from Selaginella tamariscina, Ginkgo biloba, Cephalotaxus koreana, Nandina domestica, and Lonicera japonica. Preferably the biflavonoid derivative is represented by the formulas 1 to 7.