The present invention relates to a method for preparing a rose petal extract, a cosmetic composition for skin whitening comprising the rose petal petal extract as an active ingredient, and a pharmaceutical composition for preventing or improving melanin hyperpigmentation disease, and more specifically, melanin It relates to a method for preparing a green light petal extract that significantly suppresses the production, a cosmetic composition for skin whitening comprising the green light petal extract as an active ingredient, and a pharmaceutical composition for preventing or improving melanin hyperpigmentation disease.
展开▼
