Abstract:
A composition comprising an extract of Scrophularia buergeriana Miq. and an extract of poria cocos wolf is provided to prevent or improve skin dryness, atopic dermatitis, cotagious dermatitis or eczema and be usefully used as a cosmetic or a pharmaceutical composition for reinforcing skin barrier function and inducing skin keratinocyte differentiation. A skin external application composition for moisturizing comprises 0.0001-30 wt.% of an extract of Scrophularia buergeriana Miq. as an effective ingredient. The composition further comprises an extract of Poria cocos wolf. In the composition, the extract of the Scrophularia buergeriana Miq. is prepared by extracting or fractionating the Scrophularia buergeriana Miq. with a solvent selected from the group consisting of water, ethanol, methanol, hexane, ethylacetate and butanol. Further, the skin external application composition is used as ointment, gel, cream or powder.
Abstract:
A skin external composition for whitening skin containing tyrosol derivatives is provided to suppress pigment permeation, improve spots and freckles, and whiten the skin by inhibiting melanin formation without side effects. A skin external composition for whitening skin contains 0.001-10 wt.% of tyrosol derivatives represented by the formula(1), wherein Ar1 is the structural formula(1-a), Ar2 is the structural formula(1-b), m is an integer of 1 or 2 and n is an integer of 2 or 3, and is formulated as soft lotion, astringent lotion, nutrition lotion, nutrition cream, massage cream, essence, eye cream, eye essence, cleansing cream, cleansing foam, cleansing water, gel, pack, powder, body lotion, body cream, body oil or body essence.