Abstract:
본 발명은 S-메틸메티오닌 또는 이의 염을 유효성분으로 포함하는, 자외선에 의한 피부 손상의 예방 또는 치료용 화장료 조성물을 제공한다. S-메틸메티오닌 또는 이의 염은 피부 줄기세포를 자외선에 의한 손상으로부터 보호할 수 있어, 피부 줄기세포의 생존능(cell viability)을 현저하게 증가시킨다.
Abstract:
The present invention provides a cosmetic composition containing a Citrus nobilis extract as an active ingredient to inhibit skin wrinkle formation. The extract effectively suppresses PMA-induced MMP-9 expression in human dermal fibroblasts (hDFs), thereby preventing or treating skin wrinkle formation.
Abstract:
The present invention provides a cosmetic composition for skin whitening, containing Galega officinalis extract or alkaloids isolated from the Galega officinalis as an active ingredient. The extract or alkaloids suppresses melanin production by selectively suppressing expression of tyrosinase mRNA.
Abstract:
The present invention provides a pharmaceutical composition and a cosmetic composition for inhibiting growth or metastasis of keloids, wherein the pharmaceutical composition and the cosmetic composition comprise an extract of Aneilema keisak as an active ingredient. The extract inhibits the expression of Smad2, which is a signaling material in the TGF-β signaling system, thereby effectively inhibiting growth and/or metastasis of keloids.