Delia Cosmetics Vitamine C, 30 ml, Skin Serums for Women, The Delia Cosmetics Vitamine C face serum is a product full of active ingredients, meaning it provides absolutely luxurious care for your skin. Characteristics: helps to smooth out wrinkles and fine lines brightens removes signs of fatigue restores freshness and youthful beauty to your skin How to use: Dab an appropriate amount of the serum gently into clean skin with your fingertips. Apply to the face, neck and chest.