A serum enriched with Citrus Unshiu Fruit Tremella Fuciformis Extract to effectively reduce skin hyperpgimentation and moisturize the skin. MARY & MAY Citrus Unshiu + Tremella Fuciformis Serum is a face serum enriched with citrus unshiu fruit extract and tremella fuciformis extract to brighten complexion, reduce hyperpigmentation and replenish hydration. This serum is packed with 83.5% Citrus Unshiu Fruit Extract to brighten up skin tone, reduce freckles and deliver antioxidant effect. Skin Therapy Secret by Cixi and Yang Kuei-fei, Tremella Fuciformis Tremella Fuciformis, as one of four great dishes of China, is known as food in which the most beautiful women in China, Cixi and Yang Kuei-fei enjoyed eating for their beauty and skin health. Its rich in Vitamin D and moisturizing ingredients. Especially, it contains linoleic acid and beta glucan to hold moisture to improve sky dryness.