MARY & MAY Citrus Unshiu Fruit + Tremella Fuciformis Serum is enriched with 83.5% Citrus Unshiu Fruit Extract, which helps brighten skin tone and reduce pigmentation such as sunspots, blemishes and acne scars, and 9.7% Tremella Fuciformis to replenish skin with deep hydration due to its strong water holding properties.  Together these ingredients help effectively reduce hyperpigmentation, provide antioxidants to fight free radicals, and moisturize to leave the skin glowing and radiant.