Create a detailed, realistic portrait of a young adult female face

Create a detailed, realistic portrait of a young adult female face. The woman should appear friendly, with gentle facial features, visible eyebrows, almond-shaped eyes, and a small nose. Her lips should have a subtle smile, not too full, and her medium-length ombré-colored hair (ranging from dark blond to ashy blond) should be smooth and slightly wavy. She has distinctive features that could suggest a Russian/Ukrainian heritage. The image should have a simple white background, with the focus on the face, which should have a warm and inviting expression. The picture should include shading to convey depth and texture, but without harsh contrasts, as the goal is to create a soft and approachable representation, kodak portra 800, 8k