Xishi is considered the most beautiful among the four major of China, and the secret of her beauty was ogyongseosisan.

Described in Dongeuibogam, Ogyongseosisan is a secret formula that gives the face a fair appearance. It consists of 14 oriental medicine substance and was named to convey that it "makes the face appear fair like jade" like the reigning beauty Xishi.

According to Dongeuibogam, ogyongseosisan helps control skin problems and is effective at preventing liver spots, blemishes and signs of aging.

She is celebrated as a woman of extraordinary natural beauty with a universal appeal.

In fact, Xishi washed her face with ground mung beans in order to keep her skin fair. Sooryehan, which preserves the secret formula of Xishi, an unequaled beauty, was created to provide every woman with fair skin like that of Xishi.

Ingredients and Benefit of Sooryehan

Ok Yong Dan
Ingredients of Yin force such as mung bean and trichosantes kirilowii maxim and ingredients of yang force such as white paduk stone, angelicae tenuissimae radix and gleditsiae spina are carefully combined by skin type according to an ancient prescription to restore the natural moisture and radiance of the skin. 

Kuk Wha Eum
Essence of chrysanthemum and licoriceactive agents of yin and skin renewal invigorates and refreshes the skin by restoring the delicate balance of yin yang in the skin.