Some By Mi Galactomyces Pure Vitamin C, 30 ml, Skin Serums for Women, The Some By Mi Galactomyces Pure Vitamin C face serum is a product full of active ingredients, meaning it provides absolutely luxurious care for your skin. Characteristics: regenerates the skin and prevents irritation brightens reduces excessive sebum production works on blemishes How to use: Dab an appropriate amount of the serum gently into clean skin with your fingertips. Apply to the face, neck and chest.