Dr. Barbara Sturm Brightening Serum, 30 ml, Skin Serums for Women, The Dr. Barbara Sturm Brightening Serum 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 restores skin elasticity restores freshness and youthful beauty to your skin How to use: Apply a small amount of the product to the entire face or individual parts after using your day cream.